# SOUTHWEST RESEARCH INSTITUTE®

6220 CULEBRA ROADiPOST OFFICE DRAWER 28510iSAN ANTONIO, TEXAS, USA 78228-0510i(210) 684-5111iWWW.SWRI.ORG HTTP://ENGINEANDVEHICLE .SWRI.ORG ENGINE, EMISSIONS, AND VEHICLE RESEARCH DIVISION ISO 9001 CERTIFIED FAX: (210) 522-3950 ISO 14001 Certified

SAN ANTONIO, TEXAS

HOUSTON, TEXASiWASHINGTON, DCiANN ARBOR, MI 

## July 29, 2005

TO: Desert Research Institute 2215 Raggio Parkway Reno, NV 89512-1095

ATTN:Dr. Barbara Zielinska

SUBJECT:Final report for SwRI®

## Project 03.05383, “Evaporative and Tailpipe Emissions Support for S211b Tier 2 Exposure Study”

1.0 INTRODUCTION This report describes thework performed during the summer of 2002 and the winter of 2004/2005 by the Department of Engine and Emissions Research (DEER) at Southwest Research Institute®

## (SwRI) in support of Desert Research Institute’s (DRI) project entitled “S211b Tier 2 Exposure Study.”

2.0 STATEMENT OF WORK The objective of this project was to provide DRI with a variety of support activities, test vehicles, a support vehicle, and to perform laboratory testing, all in support of DRI’s S211b Tier 2 Exposure Study performed for the American Petroleum Institute. The portion of DRI’s study performed in the San Antonio, Texas area consisted of on-road emissions measurements using a trailing vehicle, garage testing of exhaust andevaporative emissions, and laboratory exhaust and evaporative emissions measurements. SwRI provided logisticssupport to DRI personnel for the on-road and garage testing, but performed no emissions measurements for these tasks. Two test vehicles were procured for the program (a1993 Toyota Camry V6 and a 1995 Ford F-150 V8), as well as a Dodge Caravan asa trailing vehicle for the on-road work in San Antonio. These vehicles were used for the on-road testing and garage testing, and then wereutilized for hot soak evaporative and FTP exhaust emissions testing in the SwRI laboratory. All tests were performed with the vehicles in normal and in a malf unction condition. Tests were performed while operating on summer and winder grade fuels, from Houston, Atlanta, and Chicago. Summer grade fuels were used in 2002 andwinter grade fuels were used in2005. Selected properties of these fuels are presented in Table 1.

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## TABLE 1. TEST FUEL PROPERTIES

Summer 2002 Winter 2005 Houston Atlanta Chicago Houston Atlanta Chicago Parameter, method

GA-4614 GA-4637 GA-4640GA-5427 GA-5437 GA-5440 ASTM D5845 Petrospec® 

### MeOH, wt% N/A N/A N/A 0 0 0 EtOH, wt% (D5599) N/A (0) (10.75) 0 0 10 MTBE, wt% (D5599) (9.86) N/A N/A 10.7 0.4 0.6 ETBE, wt% N/A N/A N/A 0 0 0 TAME, wt% N/A N/A N/A 1.4 0 0 DIPE, wt% N/A N/A N/A 0 0.2 0.5 TBA, wt% N/A N/A N/A 0.3 0 0 O2

### Total wt% (D5599) (1.81) (0.01) (3.73) 2.23 0.1 3.66 Benzene, vol% (D5580) (0.62) (1.24) (0.84) 0.5 1.06 1.03 Aromatic, vol% (D1319) (19.9) (38.4) (17.1) 17.5 21.4 16.3 Olefins, vol% (17.3) (10.5) (9.1) 9.4 6.0 15.2 Saturate, vol% (52.8) (51.1) (70.9) 60.8 72.0 58.0 RON N/A N/A N/A 92.2 90.5 92.3 MON (D2700) N/A (81.9) (83.0) 83.5 82.9 82.8 R+M/2 N/A N/A N/A 87.8 86.7 87.5 T50, degF (D86) (190) N/A N/A 184 208 164 T90, deg F (D86) (327) N/A N/A 330 336 319 E200, % N/A N/A N/A 52 40 59 E300, % N/A N/A N/A 82 83 83 RVP, ASTM D5191 7.01 6.29 6.93 10.20 10.87 14.16 API Gravity, ASTM D4052 61.1 55.5 63.7 62.1 60.3 62.8 Specific Gravity, ASTM D4052 0.7347 0.7568 0.7390 0.7308 0.7379 0.7282 Carbon content, wt%, ASTM D5291 84.77 86.76 82.30 83.99 86.28 80.85 Hydrogen content, wt%, ASTM D5291 14.04 13.14 13.71 13.95 13.25 13.64

In some instances, two different methods were utilizedto determine fuel properties. In these instances, the second method and corresponding results are presented in parentheses.



## SwRI utilized malfunction conditions determined in the 2002 portion of the study to give exhaust hydrocarbon emissions on the order of two grams per mile. These induced malfunctions included removal of the catalysts on both vehicles plus a calibrated manifold air leak on the Toyota Camry. The malfunction for the hot soak portion of the SHED test consisted simply of disconnecting the evaporative canisters from the vehicles.

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## For the dynamometer FTP exhaust emissions testing, regulated exhaust emissions (total hydrocarbons, THC; non-methane hydrocarbons, NMHC; carbon monoxide, CO; and oxides of nitrogen, NOx

## ), carbon dioxide, CO2

## ; and speciated volatile organic compound (VOC) emissions (to include MTBE, ethanol, benzene, toluene, ethylbenzene, xylene, 1,3-butadiene, formaldehyde, and acetaldehyde) were determinedfor each test. During hot soak tests, total hydrocarbon and VOC emissions (as above except without aldehyde/ketone measurements) were determined. A sealed housing for evaporativedeterminations (SHED) was utilized for the hot soak tests. The test plan followed for the laboratory testing ispresented in Table 2.

TABLE 2. TEST PLAN

STEP DESCRIPTION

1 Verify proper mechanical operation of the test vehicle.

2 Remove canister from test vehicle.

3 Purge canister with 300°F “zero” nitrogen at 20L/min for five hours, reattach canister.

4 Drain fuel tank and fill to 40 percent capacity with test fuel.

5 Perform a 2-hour diurnal heat build from 70 to 120°F at a ramp rate of 0.4°F/min.

6 Operate vehicle on chassis dynamometer over one UDDS cycle.

7 Turn engine off for five minutes.

8 Start engine and idle for one minute.

9 Turn engine off for one minute.

10 Start engine and idle for one minute.

11 Remove canister from vehicle and purge ca nister with “zero”air for 60 minutes.

12 Reattach canister, drain fuel from tank, and fill to 40 percent capacity with chilled test fuel.

13 Conduct one hour DHB (no emission measurements).

14 Operate vehicle on chassis dynamometer over one UDDS.

15 Soak vehicle overnight.

16 Next day prior to the cold-start exhaust portion of the FTP, conduct one-hour Diurnal Heat Build. (DHB).

17 Conduct 3-bag FTP exhaust emission test. Measure regulated gaseous emissions and VOC. emissions.

18 Conduct the Hot Soak segment of the SHED test immediately following the exhaust emissions testing.

19 Switch vehicle to malfunction condition, and disconnect evaporative canister.

20 Repeat Steps6 through 10 and Steps 14 through 18.

21 Repeat Steps 1 through 20 for eachof the remaining two test fuels.

22 Switch to next test vehicle, and repeat Steps 1 through 21.

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## 3.0 TEST PROCEDURES The exhaust emission portion of the FTPutilizes the Urban Dynamometer Driving Schedule (UDDS), which is 1372 seconds in duration. The UDDS is divided into two segments; the first consisting of 505 seconds, and thesecond consisting of 867 seconds. A FTP is composed of a 505-second cold-transient (bag 1) portion and an 867-second cold stabilized (bag 2) portion, followed by a ten-minute soak and then a505-second hot-transient(bag 3) portion. A summary of the cycle duration, driving distance, and average speedis given in Table 3. The FTP driving schedule with the cold- and hot-transient test segmentsidentified is given in Figure 1. The evaporative emission portion of the FTPas conducted in thisstudy consisted of a one-hour Diurnal Heat Build (DHB)(40 CFR 86.133-90)and a one-hour Hot Soak Loss Test (HSL)(40 CFR 86.138-90).Total hydrocarbons and VOC emissions were recorded only during the HSL segment of the test. Prior to the cold-start exhaust portion of the FTP, the DHB evaporative segment of the FTP was conducted by fueling the test vehicle to 40 percent of tank capacity with test fuel at a temperature below 55°F. A heating blanket was attached to the outside of the fuel tank,and a thermocouple placed in the fuelinside the fuel tank was connected to the computer controller. The fuel inside thetank was raised to a nominal temperature of 60°F, at which point the DHB segment of the test began.The fuel temperature was raised at a linear rate of 0.4°F per minute for the 60 minute test. The final nominal temperature was 84°F. The HSL segment of the evaporative emission test was conductedimmediately following FTP exhaust emission testing. The vehicle was allowed to “soak” in the enclosure for one hour. Total hydrocarbon and VOC emissions were measured at the beginning and end of the one hour segment to permit calculation of hot soak evaporative emissions. Alcohol measurements were included only for the Chicago fuel.

FIGURE 1. FTP DRIVING SCHEDULE

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## TABLE 3. SUMMARY OF FTP DRIVING SCHEDULE

Segment Duration, Seconds Distance, Miles Average Speed, Miles/Hr. Transient Phase 505 3.60 25.7 Stabilized Phase 867 3.90 16.2 UDDS 1372 7.50 19.7

The following sections describe the sampling and analytical procedures that were utilized for this study.

3.1 Exhaust Emissions

Emissions of THC, NMHC, CO, NOx

## , and CO2

## were quantified in a manner consistent with EPA protocols for light-duty emissions testing as given in theCode of Federal Regulations, Title 40, Part 86, Subpart B.Emissions of THC, CO, NOx

## , and CO2

## were sampled using proportional exhaust gas samples collected in Tedlar bags. Total hydrocarbon emissions were measured using a flame ionization detector, while CO and CO2

## were determined using nondispersive infra-red instruments. Emissions of NOx

## were measured using a chemiluminescent instrument. Wet absorption techniques wereemployed to collect alcohol and aldehyde VOC. Alcohol analysis was performed with gas chromatography – flame ionization detection and aldehydes were measured by high performanceliquid chromatographywith ultra-violet absorbance detection. Values for NMHC were determined by subtractingmethane (corrected for FID response factor) from THC.

3.2 Evaporative Emissions At the beginning and end of each Hot Soak Loss (HSL) segment, total hydrocarbon evaporative emissions were measured according to methods described in40 CFR 86.138-90.In addition to total hydrocarbon emissions, bag samples were taken at the beginning and end of each of the evaporative emission test segmentsto permit hydrocarbon speciation analyses to be performed, and to collect sufficient sample for alcohol analyses (when an alcohol fuel blend was used during testing). Because approximately twominutes were required to adequately fill a bag for analysis, sampling was initiated one minutebefore the start point and continued until one minute after the stop point.

3.3 Hydrocarbon Speciation Procedures for VOC Determinations The analytical procedures used for conducting hydrocarbon speciation (C2

## to C12 

## hydrocarbons, aldehydes and ketones, and alcohols) are similar to theCRC Auto/Oil Phase II methods. With these methods, exhaust and evaporative emissions samples are analyzed for the presence of more than 200 different exhaustspecies. Four GC procedures and one HPCL procedure are used to identifyand quantify compounds. In general, all emission “sample” bags

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## were analyzed before the “background” bagsso that reactive exha ust compounds can be analyzed as quickly as possible. A brief description of these procedures is given below.

3.3.1 C 2

## -C 4

## Species The first GC procedure uses a 15 m x 0.53mm I.D. DB-WAX (1Fm film) pre-column and a 50 m x 0.53 mm I.D. (10 Fmfilm) Alumina PLOT/KCI (Carbopack®

## ) column to permit the separation and determination of exhaust concentrations of C1

## -C4

## individual hydrocarbon species, including ethane; ethylene; acetylene; propane; propylene; propadiene; butane; trans-2- butene; 1-butyne; and cis-2-butene. Bag samples were analyzed using a gas chromatograph equipped with a FID. The gas chromatograph system utilizes two analytical columns. The carrier gas is helium. An external multiple component standard in zero air is used to quantify the results. Detection limits for the procedure are on theorder of 5 ppbC in dilute exhaust for all compounds.

3.3.2. C 5

## -C 12

## Species The second GC procedure uses a 60 m x 0.32mm I.D. (10 Fm film) DB-1 column to provide separation and exhaust concentrations for more than 100 C5

## -C12

## individual HC compounds. Bag samples are analyzed using a gas chromatograph equipped with a FID. The GC system utilizes a FID, a pneumatically operated and electrically controlled valve, and an analytical column. The carrier gas is helium.An external multiple component standard in zero air is used to quantify the results. Detectionlimits for the procedure are on the order of 10 ppbC in dilute exhaust for all compounds.

3.3.3 Benzene and Toluene The third GC procedure uses a separate system configured similarly to the second GC method to determine individual concentrationsof benzene and toluene according to CRC Auto/Oil Phase II Protocols. The third GC utilizes a 30 m x 0.25 mm I.D. (0.25 Fm film) DB-5 column instead of a DB-1 column.

3.3.4 Aldehydes and Ketones

A HPLC with a Zorbax®

## ODS column was utilized forthe analysis of aldehydes and ketones. Samples are collected by bubbling diluteexhaust at a nominal flow rate of 4 L/min through chilled glass impingers containing an acetonitrile solution of 2,4-DNPH and perchloric acid. For analysis, a portion of the acetonitrile solution is injected into a liquid chromatograph equipped with a UV detector. External standards of the aldehyde and ketone DNPH derivatives are used to quantify the results. The aldehydes and ketones that were measured include: formaldehyde, acetaldehyde, acrolein, acetone,propionaldehyde, crotonaldehyde, nbutyraldehyde, benzaldehyde, isovaleraldehyde, valeraldehyde,o-tolualdehyde,m+ptolualdehyde (not resolved from each other during normal operating conditions, and so reported together), dimethylbenzaldehyde, and hexanaldehyde. Detection limits for this procedure are on the order of 0.005 ppm aldehyde orketone in dilute exhaust.

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## 3.3.5 Alcohols The fourth GC is utilized to analyze alcohols. The collection of ethanol in exhaust and from the SHED was accomplished by bubbling the sample through glass impingers. Each impinger contains 25 mL of deionized water maintained at ice-bath temperature. Exhaust samples were collected continuouslyduring test cycles at a nominal flow rate of 4 L/min through a Teflon sample line held at 102°C (215°F). Evaporative emissions were sampled from Tedlar bags using a system configuredsimilarly to that used for exhaust emissions (except an unheated sample line is used to transfer the sample to impingers).

For analysis, a portion of the liquid sample isinjected into a GC equipped with a FID and an analytical column. The analytical column is a 3 m x 0.53 mmI.D. capillary column with a 1- μm film of DB-WAX as the stationary phase. The GC carrier gas is helium with a column head pressure of approximately 4 psi. External standards prepared in deionized water are used to quantify the results. Detection limits for thisprocedure are on the order of 0.06 ppm in dilute exhaust.

4.0 RESULTS Regulated emissions results for the FordF-150 and the Toyota Camry are presented in Tables 4 through 7. Results are presented forthe normal and malfunction modes by fuel type. During the Winter 2005 season, for the Ford operating in normal mode on the Chicago fuel, a second exhaust emissions test was performed becausethe CO result appeared unexpectedly high. The CO result remained relatively high, however.

TABLE 4. REGULATED AND HOT SOAK EMISSIONS FOR FORD F-150, SUMMER 2002

Houston Fuel Atlanta Fuel Chicago Fuel Parameter UnitsNormal Malfunction Normal MalfunctionNormal Malfunction HC g/mi 0.397 2.19 0.469 2.45 0.430 2.27 NMHC g/mi 0.296 2.09 0.366 2.35 0.281 2.17 CO g/mi 2.19 15.6 1.88 16.89 1.66 15.2 NOx g/mi 0.989 2.11 1.05 2.13 1.40 2.07 Fuel Economy mi/gal 14.9 15.0 15.3 15.1 14.5 14.8 Hot Soak HC g 0.00 2.60 0.07 2.18 0.00 1.95

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## TABLE 5. REGULATED AND HOT SOAK EMISSIONS FOR FORD F-150, WINTER 2005

Houston Fuel Atlanta Fuel Chicago Fuel Parameter UnitsNormalMalfunctionNormalMalfunctionNormal NormalMalfunction HC g/mi 0.570 2.39 0.588 2.63 0.795 0.794 2.41 NMHC g/mi 0.464 2.23 0.487 2.54 0.637 0.637 2.31 CO g/mi 2.95 16.3 2.90 17.2 9.32 8.19 16.4 NOx g/mi 1.04 2.02 1.08 2.20 1.12 1.26 2.27 Fuel Economy mi/gal 13.6 14.1 14.2 14.0 13.4 13.5 13.8 Hot Soak HC g 0.21 6.83 0.28 13.9 0.42 N/C* 21.0 *N/C = not conducted



## TABLE 6. REGULATED AND HOT SOAK EMISSIONS FOR TOYOTA CAMRY, SUMMER 2002

Houston Fuel Atlanta Fuel Chicago Fuel Parameter UnitsNormal Malfunction Normal MalfunctionNormal Malfunction HC g/mi 0.227 4.05 0.288 3.89 0.244 4.21 NMHC g/mi 0.186 3.55 0.249 3.49 0.208 3.71 CO g/mi 3.18 64.4 2.64 59.5 2.61 60.4 NOx g/mi 0.525 2.56 0.581 2.64 0.516 2.44 Fuel Economy mi/gal 26.8 19.5 22.2 19.9 22.8 19.7 Hot Soak HC g 0.09 0.77 0.01 0.62 0.05 2.16



## TABLE 7. REGULATED AND HOT SOAK EMISSIONS FOR TOYOTA CAMRY FOR TOYOTA CAMRY, WINTER 2005

Houston Fuel Atlanta Fuel Chicago Fuel Parameter UnitsNormal Malfunction Normal MalfunctionNormal Malfunction HC g/mi 0.268 3.99 0.384 4.03 0.388 3.75 NMHC g/mi 0.199 3.47 0.346 3.58 0.276 3.29 CO g/mi 2.72 64.5 3.78 63.0 3.89 55.0 NOx g/mi 1.15 1.98 0.877 2.46 0.873 2.76 Fuel Economy mi/gal 24.3 19.8 23.2 20.1 21.9 19.3 Hot Soak HC g 0.02 8.02 0.00 4.84 0.11 8.66

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## The speciated hydrocarbon results are presented in AppendixA for the Ford F-150 and in Appendix B for the Toyota Camry.

5.0 SUMMARY This report describes a project in whichSwRI provided logistic support to DRI for onroad and garage exposure studies, and for laborator y exhaust and evaporative emissions testing. Hot Soak evaporative and FTP tailpipe vehicleemissions were measured for two vehicles operating on six fuels, to include operation in normal and in malfunction conditions.

6.0 CLOSURE It has been a pleasure to perform this project for DRI. If you have any questions of a technical nature, please contact Patrick Merritt by telephone at (210) 522-5422, by fax at (210) 522-3950, or by e-mail atpmerritt@swri.org

.

Prepared by: Reviewed by:

Patrick M. Merritt Lawrence R. Smith Senior Research Scientist Manager, Light-Duty and Unregulated Emissions Department of Engine and Emissions Research Department of Engine and Emissions Research

Approved by:

Jeff J. White Director of Development Department of Engine and Emissions Research

c: Sherry Twilligear, SwRI Contracts

## APPENDIX A

HYDROCARBON SPECIATION DATA FOR FORD F-150

TABLE OF CONTENTS FOR APPENDIX A FTP Composite Results, Winter 2005, pp. A1-A5

SHED Test Results, Winter 2005, pp. A6-A10 FTP Composite Results,Summer 2002, pp. A11-A15 SHED Test Results, Summer 2002, pp. A16-A20

A blank space in the tables indicates that thecompound was not detected during analysis. A “Trace” value indicates that the compound was detected, but computations of mass or mass rate resulted in a value of less than 0.05. An “*” inthe table indicates a malfunction of the analytical equipment during sample analysisand that no data are available.

### HYDROCARBON SPECIATION DATA: FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 METHANE 101.9 91.2 100.3 95.3 147.5 92.8 ETHANE 29.9 31.9 29.8 34.2 34.8 34.4 ETHYLENE 40.9 261.7 37.4 269.6 78.7 276.7 PROPANE 3.3 2.5 2.5 2.5 3.1 3.3 PROPYLENE 9.3 143.2 11.2 158.2 13.6 145.0 ACETYLENE 6.9 139.3 3.7 147.6 8.0 139.5 PROPADIENE 0.2 9.6 0.3 8.6 0.2 7.7 BUTANE 35.6 39.9 61.0 61.7 96.9 81.1 TRANS-2-BUTENE 1.4 10.9 1.6 11.7 3.6 11.7 1-BUTENE 2.0 25.5 2.0 25.6 3.9 24.7 2-METHYLPROPENE (ISOBUTYLENE) 11.6 104.1 3.8 57.4 5.3 44.6 2,2-DIMETHYLPROPANE (NEOPENTANE) 57.6 87.0 60.6 88.6 78.2 104.7 PROPYNE 0.3 11.6 0.3 10.6 0.2 1.1 1,3-BUTADIENE 0.7 32.9 1.0 33.7 1.1 39.1 2-METHYLPROPANE (ISOBUTANE) 5.0 5.8 5.4 5.5 6.1 5.4 1-BUTYNE METHANOL CIS-2-BUTENE 0.3 8.3 0.6 8.8 3.3 8.6 3-METHYL-1-BUTENE ETHANOL 21.1 120.3 2-METHYLBUTANE (ISOPENTANE) 1.0 10.8 2-BUTYNE 1-PENTENE 0.9 8.9 0.5 3.2 1.3 2.0 2-METHYL-1-BUTENE 1.0 18.5 1.2 12.2 2.2 16.2 PENTANE 24.4 43.5 32.5 54.8 32.2 47.0 UNIDENTIFIED C5 OLEFINS Trace 1.7 Trace 0.5 0.3 2-METHYL-1,3-BUTADIENE 0.1 10.8 0.3 10.0 0.3 12.3 TRANS-2-PENTENE 1.4 11.5 1.3 8.1 3.2 14.4 3,3-DIMETHYL-1-BUTENE 0.4 0.1 0.5 Trace 0.5 CIS-2-PENTENE 0.7 6.4 0.6 4.7 1.8 8.5 2-METHYL-2-BUTENE 0.7 13.5 1.2 11.1 3.1 21.7 TERT-BUTANOL CYCLOPENTADIENE 2.4 2.4 2.2 2,2-DIMETHYLBUTANE 6.3 10.6 4.9 8.0 2.8 5.4 CYCLOPENTENE 0.4 4.3 0.4 3.2 1.6 6.0 4-METHYL-1-PENTENE 0.3 3.5 1.0 2.3 0.5 3.7 3-METHYL-1-PENTENE CYCLOPENTANE 1.4 5.8 1.3 4.4 2.1 4.5 2,3-DIMETHYLBUTANE 4.8 13.3 6.2 12.7 6.0 11.5 MTBE 7.5 83.7 0.1 1.7 0.2 2.4 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 30.0 64.8 18.5 41.6 19.8 40.8 4-METHYL-TRANS-2-PENTENE 3.4 0.2 1.7 0.5 3.4 3-METHYLPENTANE 20.6 44.2 12.5 27.0 12.8 26.6 2-METHYL-1-PENTENE 0.3 3.4 0.4 2.8 0.5 4.0 1-HEXENE 0.3 3.4 0.4 2.8 0.5 4.0 HEXANE 18.3 43.6 11.5 26.4 9.6 21.9 UNIDENTIFIED C6 0.2 12.0 0.7 7.1 0.2 10.7 TRANS-3-HEXENE CIS-3-HEXENE 0.4 2.6 0.3 1.4 0.6 3.3 DI-ISOPROPYL ETHER TRANS-2-HEXENE 0.5 3.7 0.4 2.7 0.8 5.1 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE A-1

### HYDROCARBON SPECIATION DATA: FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 0.7 5.7 0.6 3.8 1.6 9.1 2-METHYL-2-PENTENE 0.4 3.4 0.4 2.7 0.9 5.5 3-METHYLCYCLOPENTENE Trace CIS-2-HEXENE 0.2 2.0 0.2 1.0 0.5 2.7 ETBE 3-METHYL-CIS-2-PENTENE 0.4 3.2 0.4 2.1 1.1 5.8 2,2-DIMETHYLPENTANE, NOTE A 4.6 13.1 3.2 8.9 4.4 12.0 METHYLCYCLOPENTANE, NOTE A 4.5 12.8 3.1 8.7 4.3 11.8 2,4-DIMETHYLPENTANE 2.5 7.4 3.5 9.4 1.9 6.2 2,2,3-TRIMETHYLBUTANE 0.3 1.3 0.4 0.9 0.1 0.8 3,4-DIMETHYL-1-PENTENE 0.4 0.3 0.7 1-METHYLCYCLOPENTENE 1.0 5.6 1.0 4.7 1.2 7.6 BENZENE 6.5 46.5 10.6 81.3 14.8 80.5 3-METHYL-1-HEXENE 1.4 0.3 1.2 3,3-DIMETHYLPENTANE 2.1 3.9 1.4 2.3 0.9 0.5 CYCLOHEXANE 0.4 2.0 1.0 2.7 1.1 5.5 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 14.4 43.5 12.4 38.7 7.8 23.4 1,1-DIMETHYLCYCLOPENTANE 0.1 Trace 0.5 0.3 1.2 TERT-AMYL METHYL ETHER CYCLOHEXENE 0.8 11.1 0.1 1.3 0.2 2.7 3-METHYLHEXANE 12.1 35.6 8.4 26.5 4.9 14.3 CIS-1,3-DIMETHYLCYCLOPENTANE 0.3 4.0 1.0 2.7 2.3 6.4 3-ETHYLPENTANE 1.2 3.3 1.4 5.6 1.5 7.9 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 0.9 1.7 1.1 3.4 0.6 5.7 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 3.8 15.4 21.7 57.4 6.7 17.9 2-METHYL-1-HEXENE TRANS-3-HEPTENE 1.0 0.2 1.6 0.5 3.9 HEPTANE 7.5 27.0 6.8 23.1 4.3 14.0 CIS-3-HEPTENE UNIDENTIFIED C7 1.0 6.5 0.3 2.9 1.3 6.7 2-METHYL-2-HEXENE 0.5 1.3 0.5 2.9 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 0.2 1.4 0.1 1.2 0.3 2.1 3-ETHYL-CIS-2-PENTENE Trace 2,4,4-TRIMETHYL-1-PENTENE 0.2 1.7 0.3 1.5 0.4 2.5 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 0.1 1.1 1.0 0.2 1.5 METHYLCYCLOHEXANE 1.8 8.0 2.4 9.4 4.5 16.8 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 0.5 2.4 0.5 2.0 0.4 2.1 2,4,4-TRIMETHYL-2-PENTENE 0.1 Trace 0.2 0.1 Trace 0.3 2,2,3-TRIMETHYLPENTANE 0.5 2.6 2.2 9.4 1.1 6.8 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 1.4 9.1 2.8 11.9 1.0 6.2 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 0.5 2.3 0.3 2.3 0.5 2.1 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 0.1 0.8 0.2 0.7 0.3 2.0



### PAGE A-2

### HYDROCARBON SPECIATION DATA: FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 1.0 4.1 4.8 16.9 2.5 10.0 2,3,3-TRIMETHYLPENTANE 0.9 2.0 2.6 11.4 2.9 9.0 TOLUENE 8.4 85.5 20.7 189.2 14.7 114.8 2,3-DIMETHYLHEXANE 1.2 3.6 1.7 11.9 1.1 7.9 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 0.2 0.1 1.7 3,4-DIMETHYLHEXANE, NOTE B 1.9 1.6 0.8 4-METHYLHEPTANE 3.2 13.2 3.1 9.9 1.8 7.6 3-METHYLHEPTANE 3.3 12.9 3.1 11.3 1.8 6.6 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 0.4 2.7 0.2 2.6 0.7 3.6 2,2,5-TRIMETHYLHEXANE 0.3 1.4 0.8 3.6 1.5 5.6 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 0.3 2.2 0.2 2.0 0.5 2.1 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 0.1 1.0 0.1 0.7 0.1 1.3 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 0.1 1.6 0.2 1.0 0.2 2.0 1-OCTENE TRANS-4-OCTENE 0.3 0.1 1.9 0.9 OCTANE 1.6 7.7 1.7 7.9 1.2 4.5 UNIDENTIFIED C8 1.2 3.4 0.3 4.2 0.9 4.4 TRANS-2-OCTENE TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE Trace 0.7 0.1 0.5 0.1 0.6 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE Trace 2,3,5-TRIMETHYLHEXANE Trace 0.4 0.1 0.8 0.3 1.0 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 0.1 1.0 0.1 0.9 0.1 1.0 2,4-DIMETHYLHEPTANE 0.2 1.0 0.1 1.0 0.2 0.7 4,4-DIMETHYLHEPTANE 0.1 0.5 0.1 0.3 0.1 0.5 CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 2,6-DIMETHYLHEPTANE, NOTE D 0.3 1.7 0.3 2.1 0.7 1.7 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.2 1.2 0.2 1.2 0.2 1.0 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E 0.2 1.2 0.2 1.2 0.2 1.0 ETHYLBENZENE 3.1 33.3 4.4 43.7 3.3 22.1 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 9.6 110.1 12.8 122.9 9.6 65.2 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 1.0 6.5 0.8 5.0 0.6 3.8 3-METHYLOCTANE 0.7 4.2 0.6 3.4 0.4 2.3 STYRENE 0.3 15.5 0.8 19.4 0.3 11.2



### PAGE A-3

### HYDROCARBON SPECIATION DATA: FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 3.5 42.6 5.0 48.1 3.3 23.5 1-NONENE 0.1 1.1 0.2 1.4 0.1 1.9 TRANS-3-NONENE CIS-3-NONENE NONANE 0.3 3.0 0.4 2.9 0.4 2.6 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 0.5 0.1 0.6 Trace 0.5 2,2-DIMETHYLOCTANE Trace 0.6 0.1 0.5 0.1 0.9 2,4-DIMETHYLOCTANE 0.1 0.7 0.1 0.3 0.1 1.0 n-PROPYLBENZENE 0.5 9.8 0.8 12.0 0.6 6.7 1-METHYL-3-ETHYLBENZENE 2.3 52.6 3.3 47.0 2.6 31.8 1-METHYL-4-ETHYLBENZENE 0.9 7.9 1.5 21.5 0.8 10.6 1,3,5-TRIMETHYLBENZENE 1.1 19.4 1.7 19.6 0.8 13.2 1-METHYL-2-ETHYLBENZENE 0.8 15.7 1.5 19.8 0.7 10.4 1,2,4-TRIMETHYLBENZENE 1.6 70.5 5.4 77.5 2.5 47.8 TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F 0.1 1.3 0.3 1.4 Trace 2.4 ISOBUTYLBENZENE, NOTE F 0.1 1.2 0.3 1.3 Trace 2.3 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 0.8 0.1 1.4 0.2 0.9 1-METHYL-3-ISOPROPYLBENZENE Trace 1,2,3-TRIMETHYLBENZENE 0.4 14.2 1.2 18.4 0.4 11.3 1-METHYL-4-ISOPROPYLBENZENE 0.9 0.1 1.0 0.2 0.9 INDAN 1-METHYL-2-ISOPROPYLBENZENE 6.6 0.4 5.4 0.1 7.6 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE 0.1 0.5 Trace 0.7 1-METHYL-3-N-PROPYLBENZENE 0.1 5.7 0.2 10.3 0.2 6.8 1-METHYL-4-N-PROPYLBENZENE, NOTE G 0.4 14.4 0.8 16.8 0.5 13.4 1,2 DIETHYLBENZENE 0.2 1.0 1.0 1-METHYL-2-N-PROPYLBENZENE 2.3 0.1 4.0 2.4 1,4-DIMETHYL-2-ETHYLBENZENE 5.8 0.7 8.5 6.5 1,3-DIMETHYL-4-ETHYLBENZENE 4.4 0.7 8.8 0.4 5.6 1,2-DIMETHYL-4-ETHYLBENZENE 0.8 1.9 1.7 0.9 1.8 1,3-DIMETHYL-2-ETHYLBENZENE 1.9 1.4 0.9 UNDECANE Trace 3.7 0.2 4.5 0.1 2.8 1,2-DIMETHYL-3-ETHYLBENZENE 1,2,4,5-TETRAMETHYLBENZENE 2.7 4.5 5.6 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE 0.3 7.6 0.7 10.4 0.5 2.2 TERT-1-BUT-2-METHYLBENZENE 2.4 Trace 3.6 Trace 4.9 1,2,3,4-TETRAMETHYLBENZENE 4.3 4.8 Trace 4.1 N-PENT-BENZENE 2.0 2.2 2.0 TERT-1-BUT-3,5-DIMETHYLBENZENE TERT-1-BUTYL-4-ETHYLBENZENE 5.0 3.3 6.2 NAPHTHALENE DODECANE Trace 2.4 Trace 4.1 0.1 1.0 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE A-4

### HYDROCARBON SPECIATION DATA: FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 3.7 76.1 3.6 92.4 5.2 94.8 FORMALDEHYDE 9.3 56.5 5.4 38.7 6.6 34.1 ACETALDEHYDE 2.2 17.3 2.1 16.9 4.9 32.0 ACROLEIN 0.1 4.6 0.2 6.6 0.2 8.2 ACETONE 0.8 7.5 0.3 5.9 0.8 4.4 PROPIONALDEHYDE Trace 8.2 0.3 5.1 0.3 4.3 CROTONALDEHYDE 0.3 5.4 0.2 4.9 0.2 5.3 ISOBUTYRALDEHYDE, NOTE H 0.1 1.2 Trace 1.0 0.2 1.2 METHYL ETHYL KETONE, NOTE H 0.1 1.2 Trace 1.0 0.2 1.2 BENZALDEHYDE 0.5 10.2 0.6 13.8 0.1 7.8 ISOVALERALDEHYDE 0.2 1.2 0.9 Trace 1.5 VALERALDEHYDE 1.1 0.8 0.8 O-TOLUALDEHYDE 4.0 0.1 4.0 Trace 2.3 M/P-TOLUALDEHYDE 0.2 13.0 0.4 13.6 0.1 8.2 HEXANALDEHYDE 0.2 Trace 0.5 Trace 1.3 DIMETHYLBENZALDEHYDE 0.1 4.1 Trace 5.2 0.1 3.7

A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately. H - Isobutyraldehyde and methyl ethyl ketone co-elute. LC peak area split equally between the two compounds.



### PAGE A-5

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 METHANE



### -- -- -- -- -- -- ETHANE 1.5 3.3 0.9 4.6 5.6 6.7 ETHYLENE 0.3 0.4 0.3 0.6 0.2 PROPANE 1.1 40.5 1.5 82.6 57.1 145.8 PROPYLENE 0.2 5.7 0.6 15.6 7.4 22.5 ACETYLENE PROPADIENE BUTANE 53.8 2311.0 106.2 3837.5 494.4 4161.4 TRANS-2-BUTENE 2.1 50.2 2.8 117.8 7.7 211.3 1-BUTENE 0.7 27.8 0.9 61.2 6.1 115.1 2-METHYLPROPENE (ISOBUTYLENE) 1.2 33.2 1.3 70.8 7.3 134.3 2,2-DIMETHYLPROPANE (NEOPENTANE) 43.9 1183.5 61.9 2925.1 151.9 4437.8 PROPYNE 1,3-BUTADIENE 1.2 2.4 7.9 2-METHYLPROPANE (ISOBUTANE) 5.7 199.7 10.4 481.5 68.0 792.8 1-BUTYNE METHANOL CIS-2-BUTENE 38.9 96.4 5.7 162.6 3-METHYL-1-BUTENE ETHANOL 227.0 3370.0 2-METHYLBUTANE (ISOPENTANE) 2-BUTYNE 1-PENTENE 56.0 1.0 104.5 6.4 234.0 2-METHYL-1-BUTENE 125.1 2.7 238.4 14.1 500.5 PENTANE 21.0 506.3 25.7 1109.7 65.4 1711.8 UNIDENTIFIED C5 OLEFINS 2-METHYL-1,3-BUTADIENE 1.6 4.9 7.9 35.9 TRANS-2-PENTENE 5.2 129.2 2.4 245.5 5.4 530.8 3,3-DIMETHYL-1-BUTENE 2.6 14.2 CIS-2-PENTENE 2.9 73.9 1.1 134.6 2.1 291.7 2-METHYL-2-BUTENE 9.8 220.7 6.4 414.3 30.7 883.9 TERT-BUTANOL CYCLOPENTADIENE 1.5 4.3 4.7 15.3 2,2-DIMETHYLBUTANE 2.6 27.8 1.8 59.8 2.8 96.4 CYCLOPENTENE 24.6 44.7 4.0 96.2 4-METHYL-1-PENTENE 0.4 12.6 2.4 23.4 1.2 49.6 3-METHYL-1-PENTENE CYCLOPENTANE 28.1 55.3 4.2 96.2 2,3-DIMETHYLBUTANE 5.5 58.6 3.3 118.7 6.9 200.6 MTBE 170.1 46.9 1.1 78.2 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 30.1 219.1 15.5 389.8 25.9 673.2 4-METHYL-TRANS-2-PENTENE 20.0 2.0 44.3 3-METHYLPENTANE 9.1 118.0 7.2 222.2 15.1 384.3 2-METHYL-1-PENTENE 1.1 12.1 0.6 22.7 2.0 50.0 1-HEXENE 1.1 12.1 0.6 22.7 2.0 50.0 HEXANE 8.7 90.4 7.5 167.0 13.6 279.1 UNIDENTIFIED C6 0.7 6.7 1.0 5.8 13.7 28.3 TRANS-3-HEXENE CIS-3-HEXENE 1.7 10.7 0.8 20.9 46.9 DI-ISOPROPYL ETHER TRANS-2-HEXENE 14.3 1.4 30.0 3.5 66.6 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE A-6

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 4.2 29.1 1.7 51.9 4.8 116.1 2-METHYL-2-PENTENE 1.5 17.8 1.8 30.7 3.6 66.8 3-METHYLCYCLOPENTENE CIS-2-HEXENE 1.0 9.1 16.0 1.7 36.3 ETBE 3-METHYL-CIS-2-PENTENE 2.0 18.7 1.0 34.2 2.1 77.1 2,2-DIMETHYLPENTANE, NOTE A 3.5 38.5 2.5 68.2 6.7 132.1 METHYLCYCLOPENTANE, NOTE A 3.4 37.6 2.5 66.8 6.5 129.4 2,4-DIMETHYLPENTANE 1.9 17.3 1.6 35.5 2.7 59.2 2,2,3-TRIMETHYLBUTANE 2.4 1.7 7.0 3,4-DIMETHYL-1-PENTENE 0.8 1.4 3.7 1-METHYLCYCLOPENTENE 1.8 17.5 1.9 34.0 83.1 BENZENE 6.7 27.2 7.3 65.6 0.2 133.8 3-METHYL-1-HEXENE 2.1 5.0 3,3-DIMETHYLPENTANE 4.0 1.6 3.8 5.2 3.0 CYCLOHEXANE 1.3 11.6 20.0 44.8 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 7.0 44.4 5.3 84.0 8.4 120.0 1,1-DIMETHYLCYCLOPENTANE 1.6 2.8 6.3 TERT-AMYL METHYL ETHER CYCLOHEXENE 2.2 3.3 0.5 7.7 3-METHYLHEXANE 5.8 33.1 3.9 52.8 5.1 73.2 CIS-1,3-DIMETHYLCYCLOPENTANE 1.3 9.5 0.8 17.3 2.1 35.0 3-ETHYLPENTANE 1.2 10.4 0.9 24.4 2.0 43.4 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 1.3 7.8 0.6 15.0 1.6 28.8 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 2.7 21.4 4.0 59.6 4.0 65.7 2-METHYL-1-HEXENE TRANS-3-HEPTENE 0.5 4.0 0.4 7.3 0.9 15.8 HEPTANE 5.5 21.4 4.1 39.7 5.0 60.2 CIS-3-HEPTENE UNIDENTIFIED C7 0.4 3.4 17.1 0.5 42.4 2-METHYL-2-HEXENE 18.4 3-METHYL-TRANS-3-HEXENE 1.6 TRANS-2-HEPTENE 0.2 2.3 0.2 3.0 0.5 5.5 3-ETHYL-CIS-2-PENTENE 3.1 2,4,4-TRIMETHYL-1-PENTENE 0.6 3.6 0.4 6.3 1.0 14.1 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 1.5 0.2 2.8 0.4 6.0 METHYLCYCLOHEXANE 2.7 18.1 2.2 32.8 4.8 66.4 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 1.3 0.2 2.5 0.3 5.1 2,4,4-TRIMETHYL-2-PENTENE 0.9 0.2 2,2,3-TRIMETHYLPENTANE 1.6 3.7 0.9 8.1 1.7 23.6 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 1.8 11.0 0.5 8.9 2.0 13.5 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 0.2 3.4 0.4 6.3 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 1.7 0.2 5.2



### PAGE A-7

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 2.4 11.2 1.6 17.7 2.4 29.2 2,3,3-TRIMETHYLPENTANE 1.0 7.8 1.3 12.9 22.4 TOLUENE 12.8 37.6 15.1 82.5 125.9 2,3-DIMETHYLHEXANE 4.1 7.8 15.9 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 1.1 0.2 3.8 3,4-DIMETHYLHEXANE, NOTE B 4-METHYLHEPTANE 1.6 6.9 1.3 10.2 1.6 15.8 3-METHYLHEPTANE 1.7 7.0 1.3 11.4 1.9 11.6 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 0.3 0.8 7.1 2,2,5-TRIMETHYLHEXANE 0.6 3.3 0.5 4.2 0.8 7.8 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 0.6 1.5 0.1 1.2 0.2 1.8 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 0.2 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 0.4 0.6 0.2 0.1 3.0 1-OCTENE TRANS-4-OCTENE 0.6 1.7 OCTANE 1.2 2.8 0.9 3.4 1.2 7.0 UNIDENTIFIED C8 6.0 18.1 0.3 9.8 TRANS-2-OCTENE 0.4 0.7 0.8 2.6 TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE 0.9 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 0.3 0.3 0.9 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 0.3 0.3 0.9 2,4-DIMETHYLHEPTANE 0.2 0.5 0.1 0.1 0.3 4,4-DIMETHYLHEPTANE 0.1 0.6 CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 2,6-DIMETHYLHEPTANE, NOTE D 0.4 1.0 0.2 1.5 0.3 3.3 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.1 0.3 0.4 0.1 0.9 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E 0.1 0.3 0.4 0.1 0.9 ETHYLBENZENE 3.0 5.2 2.8 9.4 3.3 10.8 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 7.4 12.6 6.0 25.7 7.6 31.8 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 1.4 0.1 2.5 3-METHYLOCTANE 1.1 1.6 STYRENE



### PAGE A-8

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 1.5 2.6 0.9 8.6 1.3 10.0 1-NONENE 0.3 0.4 0.1 0.4 TRANS-3-NONENE CIS-3-NONENE NONANE 0.1 0.5 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 0.1 0.2 2,2-DIMETHYLOCTANE 0.2 2,4-DIMETHYLOCTANE 0.1 n-PROPYLBENZENE 0.1 0.2 1-METHYL-3-ETHYLBENZENE 1-METHYL-4-ETHYLBENZENE 1,3,5-TRIMETHYLBENZENE 1-METHYL-2-ETHYLBENZENE 0.3 1,2,4-TRIMETHYLBENZENE 2.0 TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F ISOBUTYLBENZENE, NOTE F 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 1-METHYL-3-ISOPROPYLBENZENE 0.5 1,2,3-TRIMETHYLBENZENE 0.3 0.3 1-METHYL-4-ISOPROPYLBENZENE INDAN 1-METHYL-2-ISOPROPYLBENZENE 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE 1-METHYL-3-N-PROPYLBENZENE 1-METHYL-4-N-PROPYLBENZENE, NOTE G 1,2 DIETHYLBENZENE 1-METHYL-2-N-PROPYLBENZENE 1,4-DIMETHYL-2-ETHYLBENZENE 1,3-DIMETHYL-4-ETHYLBENZENE 1,2-DIMETHYL-4-ETHYLBENZENE 1,3-DIMETHYL-2-ETHYLBENZENE UNDECANE 1,2-DIMETHYL-3-ETHYLBENZENE 1,2,4,5-TETRAMETHYLBENZENE 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE TERT-1-BUT-2-METHYLBENZENE 1,2,3,4-TETRAMETHYLBENZENE N-PENT-BENZENE TERT-1-BUT-3,5-DIMETHYLBENZENE TERT-1-BUTYL-4-ETHYLBENZENE NAPHTHALENE DODECANE 0.1 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE A-9

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

F-HOU-NF-HOU-MF F-ATL-N F-ATL-MF F-CHI-N F-CHI-MF COMPOUND 3/16/2005 3/17/2005 3/23/20053/24/2005 3/28/20053/29/2005 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 0.2 1.6 2.2 1.1 8.4

A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately.



### PAGE A-10

### HYDROCARBON SPECIATION DATA FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/2002 7/29/2002 METHANE 97.4 100.8 101.5 104.5 94.3 95.0 ETHANE 32.7 37.0 27.0 35.9 35.3 34.9 ETHYLENE 27.7 245.4 30.1 255.5 25.0 232.7 PROPANE 3.8 3.6 4.1 3.8 2.9 6.4 PROPYLENE 7.2 108.8 12.2 132.7 7.4 124.7 ACETYLENE 3.4 121.1 5.3 102.1 1.9 70.1 PROPADIENE BUTANE 3.8 9.1 7.5 12.6 3.2 4.3 TRANS-2-BUTENE 1.0 7.3 2.0 6.6 5.2 17.6 1-BUTENE 2.3 19.2 1.6 18.6 1.2 2-METHYLPROPENE (ISOBUTYLENE) 8.8 100.9 4.2 60.4 3.4 64.4 2,2-DIMETHYLPROPANE (NEOPENTANE) 0.4 2.0 0.6 2.0 0.2 1.0 PROPYNE 1,3-BUTADIENE 1.5 37.6 1.2 48.9 0.3 32.9 2-METHYLPROPANE (ISOBUTANE) 0.2 8.6 3.8 9.3 0.2 6.9 1-BUTYNE METHANOL CIS-2-BUTENE 1.3 6.0 9.1 0.4 6.3 3-METHYL-1-BUTENE ETHANOL 12.1 182.6 2-METHYLBUTANE (ISOPENTANE) 23.1 49.3 13.7 59.4 29.6 46.9 2-BUTYNE 1-PENTENE 0.4 7.8 0.8 1.2 0.4 6.8 2-METHYL-1-BUTENE 0.7 13.6 0.6 11.2 0.5 12.5 PENTANE 10.9 27.6 12.6 33.5 4.3 10.9 UNIDENTIFIED C5 OLEFINS 0.1 0.5 2.0 0.7 12.3 2-METHYL-1,3-BUTADIENE 0.2 6.6 10.3 0.2 11.9 TRANS-2-PENTENE 0.8 10.9 0.4 8.2 0.7 7.6 3,3-DIMETHYL-1-BUTENE 0.4 0.7 0.4 Trace 1.0 CIS-2-PENTENE 0.4 6.2 Trace 4.6 2.4 4.5 2-METHYL-2-BUTENE 1.1 14.9 1.1 12.1 1.3 16.8 TERT-BUTANOL CYCLOPENTADIENE 0.1 2.8 8.4 0.1 7.4 2,2-DIMETHYLBUTANE 1.8 4.6 2.1 6.2 2.6 7.0 CYCLOPENTENE 0.3 4.0 0.3 2.9 0.2 3.4 4-METHYL-1-PENTENE 0.1 2.0 0.2 2.0 0.1 2.8 3-METHYL-1-PENTENE CYCLOPENTANE 0.9 3.2 0.6 3.4 0.7 2.7 2,3-DIMETHYLBUTANE 3.6 11.1 2.3 9.2 5.6 17.0 MTBE 0.9 41.9 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 11.7 39.4 7.9 31.2 7.8 26.5 4-METHYL-TRANS-2-PENTENE 3-METHYLPENTANE 8.9 32.2 5.3 20.9 5.7 20.6 2-METHYL-1-PENTENE 0.1 2.5 0.1 2.5 0.1 2.0 1-HEXENE 0.2 2.8 0.1 2.5 0.1 2.0 HEXANE 8.7 31.2 5.2 19.3 4.6 14.4 UNIDENTIFIED C6 0.1 6.2 2.0 7.3 0.5 9.5 TRANS-3-HEXENE CIS-3-HEXENE 0.1 1.6 0.1 1.0 0.1 0.9 DI-ISOPROPYL ETHER TRANS-2-HEXENE 0.2 2.4 0.1 1.9 0.1 1.8 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE A-11

### HYDROCARBON SPECIATION DATA FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/2002 7/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 0.3 4.1 0.3 3.2 0.2 3.5 2-METHYL-2-PENTENE 0.2 2.9 0.1 2.1 0.1 2.5 3-METHYLCYCLOPENTENE CIS-2-HEXENE 0.1 1.5 0.1 0.9 0.1 0.8 ETBE 3-METHYL-CIS-2-PENTENE 0.3 2.7 0.2 1.9 0.5 1.7 2,2-DIMETHYLPENTANE, NOTE A 1.6 7.3 1.4 7.2 2.1 9.5 METHYLCYCLOPENTANE, NOTE A 1.6 7.1 1.4 7.0 2.0 9.3 2,4-DIMETHYLPENTANE 1.7 5.5 1.6 5.6 3.5 11.7 2,2,3-TRIMETHYLBUTANE 0.3 3.0 Trace 0.4 0.2 0.4 3,4-DIMETHYL-1-PENTENE 0.3 1-METHYLCYCLOPENTENE 0.7 2.9 2.6 3.1 BENZENE 6.1 60.5 14.2 103.6 6.0 62.0 3-METHYL-1-HEXENE 3,3-DIMETHYLPENTANE 0.6 1.4 0.5 1.2 0.2 0.8 CYCLOHEXANE 0.4 2.8 0.8 5.3 1.9 10.7 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 6.4 20.9 6.0 22.9 10.2 32.8 1,1-DIMETHYLCYCLOPENTANE 1.3 TERT-AMYL METHYL ETHER CYCLOHEXENE Trace 1.0 1.2 Trace 1.8 3-METHYLHEXANE 4.6 15.4 4.4 15.8 5.0 16.7 CIS-1,3-DIMETHYLCYCLOPENTANE 0.3 2.1 0.3 2.0 0.6 3.3 3-ETHYLPENTANE 0.3 2.6 0.4 1.2 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 0.4 2.1 0.4 2.0 0.8 3.2 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 10.4 26.2 13.9 41.0 15.5 43.2 2-METHYL-1-HEXENE TRANS-3-HEPTENE 0.1 1.7 1.1 0.2 HEPTANE 2.9 10.1 4.6 16.2 5.3 14.9 CIS-3-HEPTENE UNIDENTIFIED C7 0.2 1.3 0.2 2.9 0.1 1.9 2-METHYL-2-HEXENE 1.3 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 0.1 1.1 Trace 0.7 Trace 0.7 3-ETHYL-CIS-2-PENTENE 2,4,4-TRIMETHYL-1-PENTENE 0.2 1.4 0.1 0.6 0.1 0.8 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 0.1 1.1 0.1 0.8 0.1 1.0 METHYLCYCLOHEXANE 0.9 4.5 1.4 7.6 2.1 11.1 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 0.2 0.8 0.3 1.1 0.4 1.4 2,4,4-TRIMETHYL-2-PENTENE 2,2,3-TRIMETHYLPENTANE 2.0 6.0 1.3 6.1 2.6 9.9 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 1.2 6.4 1.5 8.3 1.7 8.3 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 0.2 1.4 0.5 1.1 0.3 1.9 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 0.1 0.3 0.1 0.4 0.1 0.7



### PAGE A-12

### HYDROCARBON SPECIATION DATA FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/2002 7/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 3.8 12.2 3.8 11.3 5.7 18.5 2,3,3-TRIMETHYLPENTANE 3.6 21.6 3.0 13.4 6.6 31.8 TOLUENE 6.5 87.5 27.1 232.4 8.0 102.1 2,3-DIMETHYLHEXANE 1.8 16.0 3.2 20.1 3.0 20.0 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 6.7 1.8 7.3 3,4-DIMETHYLHEXANE, NOTE B 0.1 0.1 1.6 1.1 4-METHYLHEPTANE 2.2 1.1 0.2 1.5 2.8 9.8 3-METHYLHEPTANE 2.2 7.7 1.8 7.8 2.3 8.8 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE 0.1 CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE Trace 1.8 0.2 1.7 0.4 2.0 2,2,5-TRIMETHYLHEXANE 1.0 3.8 1.2 5.4 2.7 10.6 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 0.2 1.9 0.1 2.5 0.2 2.0 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 0.1 0.8 Trace 0.8 Trace 0.6 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE Trace 1.0 0.1 0.8 0.1 0.7 1-OCTENE TRANS-4-OCTENE OCTANE 1.1 4.4 1.6 6.5 1.7 6.7 UNIDENTIFIED C8 0.2 3.6 0.3 1.2 4.9 1.1 TRANS-2-OCTENE 0.1 1.2 0.1 0.7 Trace 0.5 TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE 0.1 0.7 Trace 0.3 0.3 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 0.1 0.7 0.1 1.0 0.3 1.9 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 0.1 0.7 0.1 0.6 Trace 0.7 2,4-DIMETHYLHEPTANE 0.1 0.3 0.2 0.9 2.6 1.0 4,4-DIMETHYLHEPTANE Trace 1.2 0.2 0.1 0.2 CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 2,6-DIMETHYLHEPTANE, NOTE D 0.4 0.6 0.2 1.6 0.5 2.2 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.4 1.6 0.6 2.1 0.6 2.7 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E ETHYLBENZENE 2.6 22.1 5.2 37.8 1.9 17.8 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 6.9 61.5 18.0 120.0 5.7 57.6 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 0.8 5.4 1.2 6.8 0.8 6.4 3-METHYLOCTANE 0.6 3.0 0.7 3.3 0.6 4.9 STYRENE 0.4 11.8 1.4 20.6 0.3 12.6



### PAGE A-13

### HYDROCARBON SPECIATION DATA FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/2002 7/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 2.9 27.8 7.6 48.6 2.4 27.1 1-NONENE 0.1 2.3 0.2 3.1 0.3 3.8 TRANS-3-NONENE CIS-3-NONENE NONANE 0.5 3.1 1.2 3.6 0.8 4.7 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 0.9 1.4 0.2 3.4 0.1 1.8 2,2-DIMETHYLOCTANE 0.1 0.4 0.1 Trace 0.2 2,4-DIMETHYLOCTANE Trace 0.3 0.1 0.3 Trace 0.3 n-PROPYLBENZENE 0.5 6.4 1.5 13.4 0.4 6.1 1-METHYL-3-ETHYLBENZENE 2.7 32.2 6.8 12.6 1.9 26.0 1-METHYL-4-ETHYLBENZENE 1.0 13.6 3.1 50.5 0.6 10.3 1,3,5-TRIMETHYLBENZENE 1.0 11.3 3.1 24.6 0.7 10.9 1-METHYL-2-ETHYLBENZENE 1.0 12.2 2.9 22.0 0.7 7.4 1,2,4-TRIMETHYLBENZENE 3.0 46.6 11.2 96.2 2.4 44.3 TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F 0.1 1.1 0.3 2.3 0.1 1.1 ISOBUTYLBENZENE, NOTE F 0.1 1.0 0.3 2.1 0.1 1.0 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 1-METHYL-3-ISOPROPYLBENZENE 1.9 1,2,3-TRIMETHYLBENZENE 0.6 10.8 2.7 23.2 0.5 9.1 1-METHYL-4-ISOPROPYLBENZENE 0.4 INDAN 1-METHYL-2-ISOPROPYLBENZENE 1.8 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE Trace 1-METHYL-3-N-PROPYLBENZENE 0.1 5.5 1.0 7.7 0.3 7.4 1-METHYL-4-N-PROPYLBENZENE, NOTE G 0.5 13.0 1.9 21.8 0.3 11.7 1,2 DIETHYLBENZENE 0.1 0.2 1-METHYL-2-N-PROPYLBENZENE 0.2 2.0 0.1 2.9 0.2 2.1 1,4-DIMETHYL-2-ETHYLBENZENE 6.1 1,3-DIMETHYL-4-ETHYLBENZENE 0.4 16.3 1.1 18.9 0.3 5.3 1,2-DIMETHYL-4-ETHYLBENZENE 0.1 10.9 1.4 9.5 0.4 1.8 1,3-DIMETHYL-2-ETHYLBENZENE 3.9 UNDECANE Trace 2.3 0.5 6.3 0.1 2.3 1,2-DIMETHYL-3-ETHYLBENZENE 0.7 1,2,4,5-TETRAMETHYLBENZENE Trace 3.7 0.6 9.9 0.1 4.0 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE TERT-1-BUT-2-METHYLBENZENE 5.7 1,2,3,4-TETRAMETHYLBENZENE N-PENT-BENZENE 1.9 TERT-1-BUT-3,5-DIMETHYLBENZENE 0.1 0.8 0.2 2.6 17.1 TERT-1-BUTYL-4-ETHYLBENZENE NAPHTHALENE 0.3 DODECANE 0.1 0.3 0.8 5.8 1.6 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE A-14

### HYDROCARBON SPECIATION DATA FTP COMPOSITE FORD F-150 FTP Composite, mg/mi

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/2002 7/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 3.0 81.0 18.8 238.9 4.6 105.3 FORMALDEHYDE 9.4 94.0 14.6 75.5 12.7 85.2 ACETALDEHYDE 4.6 22.6 4.3 21.1 5.7 36.2 ACROLEIN 1.2 11.0 0.9 13.4 0.3 11.6 ACETONE 5.6 12.5 4.3 7.4 4.1 7.3 PROPIONALDEHYDE 0.5 8.9 0.5 4.7 0.5 6.5 CROTONALDEHYDE 2.0 9.9 0.8 6.4 1.1 7.6 ISOBUTYRALDEHYDE, NOTE H 0.8 3.0 0.6 2.2 0.4 2.1 METHYL ETHYL KETONE, NOTE H 0.8 3.0 0.6 2.2 0.4 2.1 BENZALDEHYDE 0.1 10.5 0.7 19.5 0.3 10.9 ISOVALERALDEHYDE 0.3 2.1 0.1 1.7 0.1 1.4 VALERALDEHYDE 0.2 1.1 0.3 1.6 0.2 0.3 O-TOLUALDEHYDE 0.3 4.0 5.6 3.2 M/P-TOLUALDEHYDE 0.3 11.8 0.8 18.9 0.3 11.0 HEXANALDEHYDE 0.3 DIMETHYLBENZALDEHYDE 0.4 4.0 0.2 6.9 0.4 3.9

A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately. H - Isobutyraldehyde and methyl ethyl ketone co-elute. LC peak area split equally between the two compounds.



### PAGE A-15

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 

### 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/20027/29/2002 METHANE ETHANE 

### 7.2 Trace 0.6 ETHYLENE 

### 7.3 2.8 PROPANE 

### 0.4 6.0 4.3 PROPYLENE 

### 1.2 0.6 ACETYLENE PROPADIENE BUTANE 

### 2.0 123.7 3.1 94.8 2.3 70.5 TRANS-2-BUTENE 

### 3.8 1-BUTENE 

### 2.8 2-METHYLPROPENE (ISOBUTYLENE) 

### 3.4 2.1 6.0 2,2-DIMETHYLPROPANE (NEOPENTANE) 

### 2.8 3.0 0.7 PROPYNE 1,3-BUTADIENE 2-METHYLPROPANE (ISOBUTANE) 

### 0.6 22.7 25.6 1.1 16.2 1-BUTYNE METHANOL CIS-2-BUTENE 3-METHYL-1-BUTENE ETHANOL 

### 10.6 193.4 2-METHYLBUTANE (ISOPENTANE) 

### 647.3 687.0 5.7 532.7 2-BUTYNE 1-PENTENE 

### 1.8 27.2 25.3 23.4 2-METHYL-1-BUTENE 

### 1.0 38.4 8.6 38.4 36.9 PENTANE 

### 3.2 105.9 0.7 118.6 0.8 87.0 UNIDENTIFIED C5 OLEFINS 2-METHYL-1,3-BUTADIENE 

### 1.4 2.7 1.1 2.5 1.1 TRANS-2-PENTENE 

### 1.2 43.6 0.9 39.5 37.6 3,3-DIMETHYL-1-BUTENE 

### 0.4 0.3 1.1 0.4 CIS-2-PENTENE 

### 0.5 24.0 0.5 21.9 0.5 21.1 2-METHYL-2-BUTENE 

### 2.4 59.0 2.4 56.4 2.2 54.2 TERT-BUTANOL CYCLOPENTADIENE 

### 0.8 0.5 0.5 2,2-DIMETHYLBUTANE 

### 0.5 21.3 0.4 23.3 0.5 23.1 CYCLOPENTENE 

### 7.6 0.3 7.5 0.4 6.7 4-METHYL-1-PENTENE 

### 3.5 2.6 3.1 3-METHYL-1-PENTENE CYCLOPENTANE 

### 0.6 12.2 0.6 13.7 0.5 12.1 2,3-DIMETHYLBUTANE 

### 1.7 47.4 1.3 48.3 1.6 51.3 MTBE 

### 97.0 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 

### 6.7 77.1 6.6 86.6 6.9 81.1 4-METHYL-TRANS-2-PENTENE 3-METHYLPENTANE 

### 3.4 57.7 2.8 52.5 2.9 50.4 2-METHYL-1-PENTENE 

### 0.2 2.9 0.3 2.8 0.4 2.5 1-HEXENE 

### 0.2 2.9 0.3 2.8 0.4 2.5 HEXANE 

### 3.6 40.1 2.9 35.7 3.4 33.1 UNIDENTIFIED C6 

### 1.9 4.6 12.4 11.3 TRANS-3-HEXENE 

### Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE A-16

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 

### 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/20027/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

CIS-3-HEXENE 

### 2.5 2.1 2.1 DI-ISOPROPYL ETHER TRANS-2-HEXENE 

### 0.4 4.0 3.2 3.3 3-METHYL-TRANS-2-PENTENE 

### 5.9 0.3 6.1 5.5 2-METHYL-2-PENTENE 

### 0.3 3.7 0.4 3.4 0.4 3.1 3-METHYLCYCLOPENTENE CIS-2-HEXENE 

### 2.5 0.3 5.6 0.3 2.5 ETBE 3-METHYL-CIS-2-PENTENE 

### 4.6 0.6 4.2 0.5 4.0 2,2-DIMETHYLPENTANE, NOTE A 

### 1.9 16.8 1.1 17.5 1.3 18.7 METHYLCYCLOPENTANE, NOTE A 

### 1.9 16.4 1.1 17.1 1.2 18.4 2,4-DIMETHYLPENTANE 

### 1.5 13.5 1.2 15.2 1.5 17.1 2,2,3-TRIMETHYLBUTANE 

### 1.1 0.9 1.0 3,4-DIMETHYL-1-PENTENE 1-METHYLCYCLOPENTENE 

### 0.9 13.9 2.1 9.1 0.9 8.5 BENZENE 

### 3.8 23.1 5.6 25.2 5.6 21.4 3-METHYL-1-HEXENE 3,3-DIMETHYLPENTANE 

### 0.4 0.8 1.9 1.1 CYCLOHEXANE 

### 16.9 16.3 21.3 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 

### 5.1 32.2 4.1 34.7 4.5 38.0 1,1-DIMETHYLCYCLOPENTANE TERT-AMYL METHYL ETHER CYCLOHEXENE 

### 0.4 0.5 0.3 3-METHYLHEXANE 

### 3.0 17.3 2.7 18.5 3.0 18.1 CIS-1,3-DIMETHYLCYCLOPENTANE 

### 0.6 3.0 0.5 3.3 0.5 4.1 3-ETHYLPENTANE 

### 0.6 0.5 0.6 6.6 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 

### 0.4 2.4 0.3 3.1 0.4 3.2 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 

### 4.2 34.8 3.6 38.2 4.2 31.8 2-METHYL-1-HEXENE TRANS-3-HEPTENE 

### 1.2 1.1 HEPTANE 

### 4.2 15.5 4.0 17.8 4.6 17.2 CIS-3-HEPTENE UNIDENTIFIED C7 

### 1.4 3.3 0.5 2-METHYL-2-HEXENE 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 

### 1.4 0.7 0.7 3-ETHYL-CIS-2-PENTENE 2,4,4-TRIMETHYL-1-PENTENE 

### 0.3 1.9 0.3 1.0 1.2 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 

### 1.1 0.5 0.6 METHYLCYCLOHEXANE 

### 1.7 6.0 1.5 7.4 1.7 9.5 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 

### 1.0 1.0 1.2 2,4,4-TRIMETHYL-2-PENTENE 

### 0.3 2,2,3-TRIMETHYLPENTANE 

### 1.3 6.9 0.4 6.3 9.0



### PAGE A-17

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 

### 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/20027/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 

### 0.8 5.9 0.3 1.4 0.6 3.5 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 

### 0.3 1.5 0.3 1.3 1.6 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 

### 0.6 0.5 0.6 2,3,4-TRIMETHYLPENTANE 

### 2.7 13.8 2.6 10.8 2.9 13.9 2,3,3-TRIMETHYLPENTANE 

### 2.1 17.5 1.9 10.6 2.4 19.3 TOLUENE 

### 10.2 31.4 14.8 44.4 15.7 32.3 2,3-DIMETHYLHEXANE 

### 10.2 8.3 9.5 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 

### 1.7 3,4-DIMETHYLHEXANE, NOTE B 4-METHYLHEPTANE 

### 1.5 7.9 6.6 1.9 8.0 3-METHYLHEPTANE 

### 1.7 8.4 1.4 4.7 1.9 8.0 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 2,2,5-TRIMETHYLHEXANE 

### 0.8 3.7 0.6 3.8 1.1 5.3 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 

### 0.7 0.5 0.6 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 

### 0.4 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 

### 0.3 0.4 1-OCTENE TRANS-4-OCTENE OCTANE 

### 1.3 4.1 1.5 4.0 1.5 4.8 UNIDENTIFIED C8 

### 0.3 1.1 1.7 TRANS-2-OCTENE 

### 0.4 TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 

### 0.3 0.3 0.3 0.7 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 

### 0.3 2,4-DIMETHYLHEPTANE 

### 0.6 0.7 4,4-DIMETHYLHEPTANE CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 2,6-DIMETHYLHEPTANE, NOTE D 

### 0.3 1.1 0.5 1.0 0.5 1.5 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 

### 0.3 0.9 0.4 1.0 0.5 1.5 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E ETHYLBENZENE 

### 2.9 6.0 4.4 7.3 3.8 6.4



### PAGE A-18

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 

### 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/20027/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 

### 7.7 14.3 13.8 23.1 10.9 18.4 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 

### 0.4 1.4 0.7 2.3 0.6 1.6 3-METHYLOCTANE 

### 0.3 1.0 1.1 1.3 STYRENE o-XYLENE 

### 0.5 5.1 1.6 8.0 10.2 8.7 1-NONENE 

### 7.0 1.3 TRANS-3-NONENE CIS-3-NONENE NONANE 

### 2.5 0.6 0.9 0.6 1.1 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 

### 0.5 1.8 0.5 2,2-DIMETHYLOCTANE 

### 0.9 2,4-DIMETHYLOCTANE n-PROPYLBENZENE 

### 1.3 1.3 0.5 0.4 1-METHYL-3-ETHYLBENZENE 

### 3.5 3.4 0.9 1-METHYL-4-ETHYLBENZENE 

### 0.5 0.9 0.3 1,3,5-TRIMETHYLBENZENE 

### 2.5 1.8 0.3 1-METHYL-2-ETHYLBENZENE 

### 1.8 0.4 0.6 1,2,4-TRIMETHYLBENZENE TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F 

### 1.4 2.3 ISOBUTYLBENZENE, NOTE F 

### 1.3 2.1 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 1-METHYL-3-ISOPROPYLBENZENE 1,2,3-TRIMETHYLBENZENE 

### 2.2 0.7 1-METHYL-4-ISOPROPYLBENZENE 

### 1.0 1.1 INDAN 1-METHYL-2-ISOPROPYLBENZENE 

### 0.3 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE 1-METHYL-3-N-PROPYLBENZENE 

### 0.3 0.3 1-METHYL-4-N-PROPYLBENZENE, NOTE G 

### 1.8 1,2 DIETHYLBENZENE 

### 1.8 1-METHYL-2-N-PROPYLBENZENE 

### 0.5 1,4-DIMETHYL-2-ETHYLBENZENE 

### 0.7 1,3-DIMETHYL-4-ETHYLBENZENE 

### 0.4 1.1 1.5 0.6 1,2-DIMETHYL-4-ETHYLBENZENE 1,3-DIMETHYL-2-ETHYLBENZENE UNDECANE 

### 0.4 1,2-DIMETHYL-3-ETHYLBENZENE 1,2,4,5-TETRAMETHYLBENZENE 2-METHYLBUTYLBENZENE (sec AMYLBENZENE)



### PAGE A-19

### HYDROCARBON SPECIATION DATA SHED TEST FORD F-150 SHED results, mg

FT-4614-SFT-4614-M FT-4637-SFT-4637-M FT-4640-SFT-4640-M COMPOUND 

### 7/17/2002 7/19/2002 7/24/2002 7/23/2002 7/26/20027/29/2002 Houston Fuel Atlanta Fuel Chicago Fuel

3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE TERT-1-BUT-2-METHYLBENZENE 1,2,3,4-TETRAMETHYLBENZENE N-PENT-BENZENE 

### 0.3 TERT-1-BUT-3,5-DIMETHYLBENZENE 

### 0.1 TERT-1-BUTYL-4-ETHYLBENZENE 

### 1.3 NAPHTHALENE DODECANE 

### 0.8 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE UNIDENTIFIED C9-C12+ 

### 7.5 3.3 15.8 16.7 4.5 8.6

A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately.



### PAGE A-20

## APPENDIX B

HYDROCARBON SPECIATION DATA FOR TOYOTA CAMRY

TABLE OF CONTENTS FOR APPENDIX B FTP Composite Results, Winter 2005, pp. B1-B5

SHED Test Results, Winter 2005, pp. B6-B10 FTP Composite Results,Summer 2002, pp. B11-B15 SHED Test Results, Summer 2002, pp. B16-20

A blank space in the tables indicates that thecompound was not detected during analysis. A “Trace” value indicates that the compound was detected, but computations of mass or mass rate resulted in a value of less than 0.05. An “*” inthe table indicates a malfunction of the analytical equipment during sample analysisand that no data are available.

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 METHANE 67.0 497.2 37.8 441.0 104.6 422.3 ETHANE 6.0 29.1 7.6 31.1 8.5 29.8 ETHYLENE 19.7 317.6 27.6 323.9 29.0 309.1 PROPANE 0.4 2.4 1.0 2.6 1.2 2.6 PROPYLENE 11.0 127.8 16.5 148.6 15.8 123.1 ACETYLENE 8.5 772.5 10.7 736.3 9.9 621.4 PROPADIENE 0.6 11.5 0.8 10.7 8.8 BUTANE 5.5 58.8 10.3 82.0 16.5 95.5 TRANS-2-BUTENE 0.9 9.2 1.3 10.3 1.4 9.2 1-BUTENE 2.2 21.7 2.9 22.6 3.1 20.8 2-METHYLPROPENE (ISOBUTYLENE) 8.7 80.1 6.1 49.9 5.1 38.2 2,2-DIMETHYLPROPANE (NEOPENTANE) 9.4 131.9 11.6 115.4 17.9 128.1 PROPYNE 0.1 1.0 0.1 1.1 1,3-BUTADIENE 2.7 32.0 3.7 34.3 4.3 36.7 2-METHYLPROPANE (ISOBUTANE) 0.8 9.4 1.0 7.0 1.1 7.1 1-BUTYNE METHANOL CIS-2-BUTENE 0.7 7.4 0.9 8.1 1.0 6.9 3-METHYL-1-BUTENE ETHANOL 15.0 165.2 2-METHYLBUTANE (ISOPENTANE) 0.6 14.5 0.7 1.2 0.9 11.9 2-BUTYNE 1-PENTENE 0.7 10.7 0.7 6.3 1.4 8.0 2-METHYL-1-BUTENE 1.3 18.5 0.8 11.3 1.6 15.6 PENTANE 4.0 65.4 6.6 70.1 7.4 51.7 UNIDENTIFIED C5 OLEFINS 0.8 2.5 Trace 0.7 0.6 2-METHYL-1,3-BUTADIENE 0.5 9.5 0.8 8.6 1.3 9.0 TRANS-2-PENTENE 0.8 14.7 0.7 8.7 1.7 14.8 3,3-DIMETHYL-1-BUTENE 0.1 0.5 Trace 0.4 Trace 0.4 CIS-2-PENTENE 0.4 7.9 0.4 5.0 0.9 6.9 2-METHYL-2-BUTENE 0.5 21.2 0.8 11.6 2.5 22.9 TERT-BUTANOL CYCLOPENTADIENE 3.4 0.1 1.9 0.1 1.6 2,2-DIMETHYLBUTANE 1.0 13.8 1.0 9.5 0.8 5.1 CYCLOPENTENE 0.3 4.5 0.3 3.1 0.6 5.3 4-METHYL-1-PENTENE 0.3 3.2 0.3 2.0 0.5 3.0 3-METHYL-1-PENTENE CYCLOPENTANE 0.4 8.1 0.4 5.4 0.6 4.5 2,3-DIMETHYLBUTANE 1.5 19.4 1.6 15.9 1.8 12.1 MTBE 3.8 149.5 1.9 0.2 2.5 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 7.2 98.2 5.5 53.7 6.5 44.5 4-METHYL-TRANS-2-PENTENE 1.4 1.7 0.1 1.6 0.2 3.1 3-METHYLPENTANE 4.8 66.8 3.7 34.7 4.4 28.8 2-METHYL-1-PENTENE 0.3 4.5 0.3 3.1 0.6 4.0 1-HEXENE 0.3 4.5 0.3 3.1 0.6 4.0 HEXANE 4.7 68.9 3.5 35.6 3.6 24.7 UNIDENTIFIED C6 0.9 9.5 0.6 5.5 0.7 5.4 TRANS-3-HEXENE CIS-3-HEXENE 0.2 3.7 0.1 1.8 0.4 3.8 DI-ISOPROPYL ETHER 0.1 TRANS-2-HEXENE 0.3 5.9 0.2 3.0 0.7 5.7 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE B-1

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 0.3 7.1 0.3 4.4 1.0 9.3 2-METHYL-2-PENTENE 0.2 5.8 0.2 2.7 0.6 5.8 3-METHYLCYCLOPENTENE 0.1 Trace CIS-2-HEXENE 0.1 1.7 Trace 1.6 0.3 3.1 ETBE 3-METHYL-CIS-2-PENTENE 0.6 5.0 0.7 2.9 0.7 6.7 2,2-DIMETHYLPENTANE, NOTE A 1.2 20.6 0.9 11.9 1.9 13.6 METHYLCYCLOPENTANE, NOTE A 1.2 20.2 0.9 11.7 1.9 13.4 2,4-DIMETHYLPENTANE 0.8 10.8 1.3 11.9 1.0 6.3 2,2,3-TRIMETHYLBUTANE 0.1 1.5 0.1 0.9 Trace 0.4 3,4-DIMETHYL-1-PENTENE Trace 0.4 Trace 0.4 0.1 0.5 1-METHYLCYCLOPENTENE 0.3 6.4 0.5 4.5 0.6 4.8 BENZENE 5.0 78.4 9.9 116.0 8.3 84.6 3-METHYL-1-HEXENE 0.1 0.6 1.3 1.2 3,3-DIMETHYLPENTANE 0.6 5.9 0.4 3.3 0.4 0.4 CYCLOHEXANE 0.2 2.8 0.3 3.7 0.6 6.3 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 5.0 69.0 5.5 51.6 3.8 26.2 1,1-DIMETHYLCYCLOPENTANE 0.1 0.1 0.8 0.1 1.1 TERT-AMYL METHYL ETHER CYCLOHEXENE 0.6 20.4 0.1 1.2 0.3 2.2 3-METHYLHEXANE 4.4 57.2 3.8 36.1 2.4 16.2 CIS-1,3-DIMETHYLCYCLOPENTANE 0.5 7.0 0.5 4.9 1.0 7.7 3-ETHYLPENTANE 0.8 11.5 0.8 7.8 1.2 8.8 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 0.4 6.1 0.5 4.7 0.9 7.1 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 1.2 14.3 8.2 72.9 2.9 19.9 2-METHYL-1-HEXENE TRANS-3-HEPTENE 0.2 2.1 0.1 1.8 0.4 4.1 HEPTANE 3.1 41.0 3.5 34.0 2.6 17.4 CIS-3-HEPTENE UNIDENTIFIED C7 0.3 6.6 0.1 2.3 0.6 5.0 2-METHYL-2-HEXENE 1.9 0.6 3.8 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 0.1 2.6 0.1 1.7 0.2 2.5 3-ETHYL-CIS-2-PENTENE 2,4,4-TRIMETHYL-1-PENTENE 0.1 3.0 0.1 1.6 0.3 3.2 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 0.1 1.6 0.1 1.2 0.2 1.7 METHYLCYCLOHEXANE 1.0 13.4 1.5 14.1 2.9 20.7 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 0.1 2.4 0.3 2.6 0.3 1.9 2,4,4-TRIMETHYL-2-PENTENE 0.1 0.1 0.1 0.1 0.1 2,2,3-TRIMETHYLPENTANE 0.6 7.5 1.2 13.5 0.9 7.2 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 0.7 9.0 1.4 15.6 1.0 5.9 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 0.2 4.2 0.2 3.2 0.4 2.7 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 0.1 1.6 0.1 1.3 0.2 2.4



### PAGE B-2

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 0.5 7.0 1.9 24.0 1.8 12.1 2,3,3-TRIMETHYLPENTANE 0.2 3.1 2.1 19.8 0.8 9.8 TOLUENE 8.4 121.2 21.8 242.4 9.9 107.2 2,3-DIMETHYLHEXANE 1.0 10.9 1.4 20.4 0.5 9.4 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 1.0 0.2 1.6 3,4-DIMETHYLHEXANE, NOTE B 0.4 4.7 0.7 3.0 0.1 0.3 4-METHYLHEPTANE 1.5 18.6 1.0 16.4 1.4 10.1 3-METHYLHEPTANE 1.8 22.5 0.1 18.6 1.2 8.1 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE 0.3 0.4 CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 4.9 1.6 3.6 0.7 6.0 2,2,5-TRIMETHYLHEXANE 0.2 2.3 0.6 5.2 1.0 6.8 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE Trace CIS-1-METHYL-3-ETHYLCYCLOPENTANE 0.2 3.2 0.2 2.1 0.6 3.6 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 0.1 2.0 0.1 1.1 0.1 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 0.1 2.5 0.1 1.6 0.2 2.6 1-OCTENE TRANS-4-OCTENE 0.1 2.3 Trace 1.0 1.0 OCTANE 1.1 14.3 1.4 12.4 0.9 6.1 UNIDENTIFIED C8 0.9 10.9 0.3 3.7 0.4 4.2 TRANS-2-OCTENE 2.0 1.6 TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE 0.1 1.1 0.1 0.7 0.1 0.8 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 0.1 0.6 0.1 1.0 0.1 1.3 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 1.7 0.1 1.2 0.1 1.2 2,4-DIMETHYLHEPTANE 0.2 1.6 0.1 1.4 0.1 0.9 4,4-DIMETHYLHEPTANE 0.1 1.0 0.1 0.6 0.1 0.7 CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 0.2 2,6-DIMETHYLHEPTANE, NOTE D 0.3 3.2 0.3 2.7 0.4 2.8 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.2 2.4 0.2 2.0 0.2 1.2 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E 0.2 2.4 0.2 2.0 0.2 1.2 ETHYLBENZENE 3.7 45.8 6.2 54.5 3.5 23.3 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 13.2 165.9 19.2 170.4 10.9 75.3 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 0.9 12.2 0.9 8.6 0.6 5.0 3-METHYLOCTANE 0.6 8.1 0.7 5.7 0.4 3.2 STYRENE 1.1 16.1 1.8 19.7 9.2



### PAGE B-3

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 5.3 64.1 7.7 66.7 3.9 27.3 1-NONENE 0.2 2.0 0.2 2.4 0.3 2.6 TRANS-3-NONENE CIS-3-NONENE NONANE 0.4 5.9 0.5 4.9 0.4 3.6 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) Trace 0.8 Trace 0.6 Trace 0.4 2,2-DIMETHYLOCTANE 0.1 1.4 0.1 0.9 0.1 1.3 2,4-DIMETHYLOCTANE 0.1 1.4 0.1 0.7 0.2 1.6 n-PROPYLBENZENE 1.0 16.1 1.6 17.5 0.9 8.3 1-METHYL-3-ETHYLBENZENE 4.5 66.5 7.1 69.6 3.7 34.2 1-METHYL-4-ETHYLBENZENE 1.9 27.3 2.7 27.7 1.5 12.5 1,3,5-TRIMETHYLBENZENE 2.3 32.6 2.8 30.4 2.3 17.9 1-METHYL-2-ETHYLBENZENE 1.9 23.6 2.6 26.9 1.8 12.2 1,2,4-TRIMETHYLBENZENE 7.2 105.3 10.8 114.8 6.6 58.7 TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F 0.2 2.5 Trace 1.8 0.8 3.3 ISOBUTYLBENZENE, NOTE F 0.2 2.4 Trace 1.7 0.7 3.1 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 0.1 1.3 0.3 2.0 0.1 1.2 1-METHYL-3-ISOPROPYLBENZENE 1,2,3-TRIMETHYLBENZENE 1.6 23.9 2.5 28.0 1.9 14.4 1-METHYL-4-ISOPROPYLBENZENE 0.1 1.3 0.1 1.4 0.1 1.2 INDAN 1-METHYL-2-ISOPROPYLBENZENE 0.8 11.3 1.3 9.0 1.1 10.0 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE Trace 0.3 1-METHYL-3-N-PROPYLBENZENE 0.5 11.0 2.4 19.4 0.9 9.0 1-METHYL-4-N-PROPYLBENZENE, NOTE G 1.2 17.7 1.9 24.7 1.8 15.5 1,2 DIETHYLBENZENE 1.8 0.1 1.4 0.2 1-METHYL-2-N-PROPYLBENZENE 0.2 2.3 0.5 6.9 0.3 1.3 1,4-DIMETHYL-2-ETHYLBENZENE 1.3 11.1 1.1 7.9 1,3-DIMETHYL-4-ETHYLBENZENE 1.3 13.3 1.3 7.4 1.9 9.5 1,2-DIMETHYL-4-ETHYLBENZENE 2.1 1,3-DIMETHYL-2-ETHYLBENZENE 1.6 0.1 2.9 0.2 1.3 UNDECANE 0.2 4.9 0.7 7.3 0.7 3.7 1,2-DIMETHYL-3-ETHYLBENZENE 0.4 5.3 1,2,4,5-TETRAMETHYLBENZENE 0.1 7.2 0.7 9.3 1.0 9.7 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 0.1 1,2,3,5-TETRAMETHYLBENZENE 1.0 11.8 1.4 17.4 0.9 TERT-1-BUT-2-METHYLBENZENE 0.2 7.1 0.6 8.0 1.2 7.1 1,2,3,4-TETRAMETHYLBENZENE 0.1 10.7 0.8 8.6 N-PENT-BENZENE 0.3 7.0 0.5 7.8 0.1 3.0 TERT-1-BUT-3,5-DIMETHYLBENZENE TERT-1-BUTYL-4-ETHYLBENZENE Trace 8.0 0.3 5.8 0.2 2.6 NAPHTHALENE 2.5 1.3 DODECANE 0.2 5.1 0.2 4.3 0.1 1.5 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE B-4

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 6.3 136.7 9.4 120.6 13.9 144.1 FORMALDEHYDE 4.8 36.2 4.0 48.7 3.6 49.6 ACETALDEHYDE 1.1 9.3 1.3 9.1 3.0 18.7 ACROLEIN 0.4 3.8 0.3 4.4 0.1 2.5 ACETONE 0.8 5.5 0.4 2.1 0.4 1.7 PROPIONALDEHYDE 0.2 4.2 0.2 2.9 0.5 4.7 CROTONALDEHYDE 0.3 4.0 0.3 2.8 0.5 2.9 ISOBUTYRALDEHYDE, NOTE H Trace 0.8 0.2 0.8 0.2 0.7 METHYL ETHYL KETONE, NOTE H Trace 0.8 0.2 0.8 0.2 0.7 BENZALDEHYDE 0.4 5.4 0.9 8.1 0.6 4.6 ISOVALERALDEHYDE Trace 0.6 0.1 0.7 0.1 0.8 VALERALDEHYDE 0.5 0.1 0.6 0.1 0.6 O-TOLUALDEHYDE 0.1 1.7 0.2 0.9 0.1 1.5 M/P-TOLUALDEHYDE 0.9 7.4 1.2 7.7 0.7 4.3 HEXANALDEHYDE 0.1 0.1 0.1 0.1 0.1 0.1 DIMETHYLBENZALDEHYDE 0.2 3.5 0.5 3.3 0.4 2.1

A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately. H - Isobutyraldehyde and methyl ethyl ketone co-elute. LC peak area split equally between the two compounds.



### PAGE B-5

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 METHANE



### -- -- -- -- -- -- ETHANE 0.2 6.8 1.6 0.1 3.3 ETHYLENE 1.0 0.4 0.4 PROPANE 34.4 22.8 0.1 55.6 PROPYLENE 0.2 9.3 11.2 0.2 7.7 ACETYLENE PROPADIENE BUTANE 4.9 2046.6 8.8 1982.4 22.2 2917.3 TRANS-2-BUTENE 0.6 80.8 0.5 43.9 0.9 69.3 1-BUTENE 49.3 19.3 0.2 38.3 2-METHYLPROPENE (ISOBUTYLENE) 0.4 39.5 0.2 18.5 0.4 45.2 2,2-DIMETHYLPROPANE (NEOPENTANE) 7.5 1790.2 6.9 1065.8 14.3 1695.8 PROPYNE 1,3-BUTADIENE 3.7 0.5 1.6 2-METHYLPROPANE (ISOBUTANE) 356.6 0.4 225.1 1.0 266.1 1-BUTYNE METHANOL CIS-2-BUTENE 0.4 74.1 0.2 42.7 0.6 53.2 3-METHYL-1-BUTENE ETHANOL 44.7 1301.8 2-METHYLBUTANE (ISOPENTANE) 2-BUTYNE 1-PENTENE 0.4 73.7 3.3 20.6 0.7 67.6 2-METHYL-1-BUTENE 0.9 95.6 1.1 42.6 1.6 163.0 PENTANE 2.8 675.1 5.8 480.1 8.9 611.6 UNIDENTIFIED C5 OLEFINS 2-METHYL-1,3-BUTADIENE 9.6 0.7 7.0 TRANS-2-PENTENE 1.2 128.2 0.9 41.9 2.9 169.2 3,3-DIMETHYL-1-BUTENE 4.0 2.6 CIS-2-PENTENE 0.7 67.2 0.4 21.5 1.3 93.2 2-METHYL-2-BUTENE 2.8 140.4 1.8 63.6 4.6 292.2 TERT-BUTANOL CYCLOPENTADIENE 3.6 3.3 2,2-DIMETHYLBUTANE 0.3 76.3 0.3 33.7 0.4 27.9 CYCLOPENTENE 22.1 6.8 0.7 32.2 4-METHYL-1-PENTENE 0.8 12.8 0.5 3.7 16.0 3-METHYL-1-PENTENE CYCLOPENTANE 48.4 20.7 0.9 32.2 2,3-DIMETHYLBUTANE 0.6 96.9 0.8 48.9 1.1 65.5 MTBE 1529.3 6.3 25.2 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 3.2 414.3 8.6 152.5 4.6 218.8 4-METHYL-TRANS-2-PENTENE 2.1 25.5 7.6 1.9 15.0 3-METHYLPENTANE 2.0 252.0 2.3 85.2 2.8 124.8 2-METHYL-1-PENTENE 0.4 0.2 3.5 0.4 16.0 1-HEXENE 0.4 0.2 3.5 0.4 16.0 HEXANE 3.4 208.1 3.3 67.5 3.5 90.1 UNIDENTIFIED C6 0.4 39.2 0.3 4.2 TRANS-3-HEXENE CIS-3-HEXENE 12.2 4.0 0.6 14.6 DI-ISOPROPYL ETHER 21.4 TRANS-2-HEXENE 0.4 15.8 0.4 5.3 0.8 37.2 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE B-6

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 1.3 25.8 0.6 8.8 1.3 21.7 2-METHYL-2-PENTENE 0.5 16.8 0.3 5.4 0.5 3-METHYLCYCLOPENTENE 0.2 CIS-2-HEXENE 0.3 10.4 3.3 0.4 11.2 ETBE 3-METHYL-CIS-2-PENTENE 0.4 15.5 0.4 5.3 0.5 23.4 2,2-DIMETHYLPENTANE, NOTE A 1.2 54.8 0.9 19.9 1.4 42.8 METHYLCYCLOPENTANE, NOTE A 1.2 53.6 0.9 19.5 1.4 41.9 2,4-DIMETHYLPENTANE 24.1 0.3 15.8 0.1 18.1 2,2,3-TRIMETHYLBUTANE 0.2 3.5 1.2 0.5 2.2 3,4-DIMETHYL-1-PENTENE 1.2 1.0 1-METHYLCYCLOPENTENE 0.9 11.5 1.0 6.2 1.1 24.2 BENZENE 3.1 23.8 2.6 28.2 5.4 41.4 3-METHYL-1-HEXENE 3,3-DIMETHYLPENTANE 10.0 0.6 3.9 1.0 2.1 CYCLOHEXANE 6.9 14.3 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 1.8 91.1 2.0 42.5 2.7 40.9 1,1-DIMETHYLCYCLOPENTANE 1.6 TERT-AMYL METHYL ETHER 2.6 CYCLOHEXENE 21.9 0.5 3-METHYLHEXANE 1.3 79.2 1.8 27.2 1.8 23.1 CIS-1,3-DIMETHYLCYCLOPENTANE 0.4 11.5 0.2 4.4 0.4 11.1 3-ETHYLPENTANE 0.4 13.4 0.3 6.0 0.5 12.1 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 0.3 7.7 0.2 3.7 0.3 9.6 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 0.6 13.6 0.5 39.7 1.4 20.7 2-METHYL-1-HEXENE TRANS-3-HEPTENE 0.2 1.4 0.4 5.0 HEPTANE 1.6 36.4 1.9 20.2 2.4 19.8 CIS-3-HEPTENE UNIDENTIFIED C7 0.8 6.6 0.6 0.3 6.0 2-METHYL-2-HEXENE 3.9 5.4 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 2.7 0.8 2.4 3-ETHYL-CIS-2-PENTENE 2,4,4-TRIMETHYL-1-PENTENE 0.2 3.4 1.2 0.2 4.2 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 1.7 0.6 1.8 METHYLCYCLOHEXANE 1.1 12.2 0.7 7.7 1.3 21.7 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 0.7 1.9 1.0 1.3 2,4,4-TRIMETHYL-2-PENTENE 3.3 0.5 1.7 0.3 2,2,3-TRIMETHYLPENTANE 3.3 4.3 0.4 3.7 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 0.3 4.3 0.3 4.3 0.3 7.0 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 1.5 0.8 1.8 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 0.5 1.4



### PAGE B-7

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 0.5 5.9 0.4 8.4 1.0 9.5 2,3,3-TRIMETHYLPENTANE 0.3 1.4 0.4 4.7 0.4 5.7 TOLUENE 4.8 31.3 8.2 48.9 11.8 43.5 2,3-DIMETHYLHEXANE 4.1 1.7 2.4 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 1.2 3,4-DIMETHYLHEXANE, NOTE B 0.6 0.4 4-METHYLHEPTANE 8.8 0.5 5.1 0.9 5.1 3-METHYLHEPTANE 0.6 9.2 0.5 4.8 0.9 5.9 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 2,2,5-TRIMETHYLHEXANE 1.6 0.1 1.3 0.3 3.1 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 1.2 0.4 0.2 1.1 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 0.2 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 1.1 1-OCTENE TRANS-4-OCTENE 0.2 0.6 OCTANE 0.4 4.2 0.5 2.2 0.5 2.8 UNIDENTIFIED C8 0.8 2.3 0.3 0.2 TRANS-2-OCTENE 0.8 0.2 0.5 TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE 0.2 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 0.5 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 0.3 0.2 2,4-DIMETHYLHEPTANE 0.1 0.2 0.4 4,4-DIMETHYLHEPTANE 0.4 CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 2,6-DIMETHYLHEPTANE, NOTE D 0.7 0.4 0.9 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.3 0.1 0.2 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E 0.3 0.1 0.2 ETHYLBENZENE 1.6 5.2 2.0 4.4 2.2 5.2 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 3.3 11.4 4.3 10.0 3.0 11.9 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 0.6 3-METHYLOCTANE STYRENE



### PAGE B-8

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 1.8 0.7 2.2 0.2 2.2 1-NONENE 0.2 TRANS-3-NONENE CIS-3-NONENE NONANE 0.3 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 2,2-DIMETHYLOCTANE 2,4-DIMETHYLOCTANE n-PROPYLBENZENE 1-METHYL-3-ETHYLBENZENE 1-METHYL-4-ETHYLBENZENE 1,3,5-TRIMETHYLBENZENE 1-METHYL-2-ETHYLBENZENE 1,2,4-TRIMETHYLBENZENE 0.2 0.3 TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F ISOBUTYLBENZENE, NOTE F 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 1-METHYL-3-ISOPROPYLBENZENE 1,2,3-TRIMETHYLBENZENE 1-METHYL-4-ISOPROPYLBENZENE INDAN 1-METHYL-2-ISOPROPYLBENZENE 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE 1-METHYL-3-N-PROPYLBENZENE 1-METHYL-4-N-PROPYLBENZENE, NOTE G 1,2 DIETHYLBENZENE 1-METHYL-2-N-PROPYLBENZENE 1,4-DIMETHYL-2-ETHYLBENZENE 1,3-DIMETHYL-4-ETHYLBENZENE 1,2-DIMETHYL-4-ETHYLBENZENE 1,3-DIMETHYL-2-ETHYLBENZENE UNDECANE 1,2-DIMETHYL-3-ETHYLBENZENE 1,2,4,5-TETRAMETHYLBENZENE 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE TERT-1-BUT-2-METHYLBENZENE 1,2,3,4-TETRAMETHYLBENZENE N-PENT-BENZENE 0.2 TERT-1-BUT-3,5-DIMETHYLBENZENE TERT-1-BUTYL-4-ETHYLBENZENE NAPHTHALENE DODECANE 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE B-9

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

C-HOU-NC-HOU-MF C-ATL-N C-ATL-MF C-CHI-N C-CHI-MF COMPOUND 3/31/2005 4/1/2005 4/5/2005 4/6/2005 4/12/20054/13/2005 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 1.3 0.4 0.3

A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately.



### PAGE B-10

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 7/18/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 METHANE 39.8 482.9 39.0 395.1 34.7 480.9 ETHANE 5.2 * 8.2 27.6 * 38.8 ETHYLENE 11.4 * 19.9 344.8 * 337.8 PROPANE * 0.3 3.0 * 6.4 PROPYLENE 0.2 * * ACETYLENE 3.9 * 4.9 528.6 * 530.1 PROPADIENE * * BUTANE 1.3 * 1.2 14.4 * 8.8 TRANS-2-BUTENE * 0.6 6.9 * 1.9 1-BUTENE 1.0 * 2.0 22.4 * 2.4 2-METHYLPROPENE (ISOBUTYLENE) 6.0 * 4.2 56.5 * 6.1 2,2-DIMETHYLPROPANE (NEOPENTANE) 0.3 * 0.7 * PROPYNE * * 1,3-BUTADIENE * 0.3 7.7 * 2-METHYLPROPANE (ISOBUTANE) * 166.5 * 1-BUTYNE * * METHANOL * * CIS-2-BUTENE * 0.1 16.0 * 3-METHYL-1-BUTENE * * ETHANOL * 7.2 256.2 2-METHYLBUTANE (ISOPENTANE) 3.5 * 0.6 11.0 * 71.7 2-BUTYNE 1-PENTENE 0.4 9.0 6.2 0.4 2.1 2-METHYL-1-BUTENE 0.6 14.5 0.4 10.7 0.5 13.5 PENTANE 2.4 40.6 1.1 42.8 1.0 17.5 UNIDENTIFIED C5 OLEFINS 0.2 6.3 0.3 2.9 9.0 2-METHYL-1,3-BUTADIENE 0.5 9.1 2.4 8.3 0.6 11.2 TRANS-2-PENTENE 0.7 14.2 0.7 9.1 0.6 11.4 3,3-DIMETHYL-1-BUTENE 0.3 0.4 0.3 4.8 CIS-2-PENTENE 0.4 8.3 0.3 5.0 0.3 6.0 2-METHYL-2-BUTENE 1.1 20.4 0.9 13.5 1.2 19.9 TERT-BUTANOL CYCLOPENTADIENE 0.2 7.3 5.3 0.3 6.3 2,2-DIMETHYLBUTANE 0.5 6.4 0.5 7.2 0.6 9.7 CYCLOPENTENE 1.2 4.8 0.2 3.2 0.2 4.1 4-METHYL-1-PENTENE 0.2 2.8 0.2 2.6 0.1 1.8 3-METHYL-1-PENTENE 1.7 CYCLOPENTANE 0.3 4.9 0.2 4.4 0.3 2.4 2,3-DIMETHYLBUTANE 0.9 16.8 0.8 11.8 1.5 24.7 MTBE 1.3 54.8 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 2.6 62.7 2.5 40.0 2.6 44.5 4-METHYL-TRANS-2-PENTENE 0.2 2.2 Trace 0.9 3-METHYLPENTANE 2.5 47.5 1.8 26.9 1.6 32.1 2-METHYL-1-PENTENE 0.2 4.1 0.2 2.5 0.1 2.4 1-HEXENE 0.2 3.5 0.2 2.5 0.1 2.5 HEXANE 2.8 50.8 1.8 26.8 1.3 27.4 UNIDENTIFIED C6 0.4 61.2 0.5 7.9 0.3 6.6 TRANS-3-HEXENE CIS-3-HEXENE 2.8 0.1 1.3 1.6 DI-ISOPROPYL ETHER TRANS-2-HEXENE 0.1 4.5 0.1 2.1 0.1 2.5 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE B-11

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 7/18/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 0.2 6.6 0.2 16.6 0.2 4.4 2-METHYL-2-PENTENE 0.3 4.3 0.1 2.4 0.1 3.1 3-METHYLCYCLOPENTENE 0.2 CIS-2-HEXENE 0.2 2.5 0.1 1.2 1.4 ETBE 3-METHYL-CIS-2-PENTENE 0.4 5.2 0.3 2.6 0.2 3.5 2,2-DIMETHYLPENTANE, NOTE A 0.6 11.5 0.5 9.6 0.8 16.5 METHYLCYCLOPENTANE, NOTE A 0.6 11.3 0.5 9.4 0.8 16.2 2,4-DIMETHYLPENTANE 0.7 9.2 0.7 8.0 1.3 20.3 2,2,3-TRIMETHYLBUTANE 0.9 0.5 1.1 3,4-DIMETHYL-1-PENTENE 0.1 1-METHYLCYCLOPENTENE 0.4 8.2 0.2 6.5 0.3 6.2 BENZENE 3.8 95.9 9.0 138.3 42.9 99.3 3-METHYL-1-HEXENE Trace 3,3-DIMETHYLPENTANE 0.3 2.1 0.1 1.4 1.6 CYCLOHEXANE 0.2 3.4 0.4 5.6 0.9 11.9 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 2.7 33.0 2.8 30.5 4.3 56.6 1,1-DIMETHYLCYCLOPENTANE 0.6 1.3 TERT-AMYL METHYL ETHER CYCLOHEXENE 0.1 1.2 0.1 1.0 1.3 3-METHYLHEXANE 2.4 23.2 2.0 21.7 2.3 28.8 CIS-1,3-DIMETHYLCYCLOPENTANE 0.2 3.6 0.2 2.9 0.3 6.3 3-ETHYLPENTANE 0.1 3.9 3.3 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 0.1 3.4 0.2 2.6 0.4 6.3 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 3.4 38.1 5.4 51.8 5.9 66.5 2-METHYL-1-HEXENE TRANS-3-HEPTENE 0.1 2.6 0.1 1.0 0.6 HEPTANE 0.8 15.7 0.5 21.9 2.8 32.7 CIS-3-HEPTENE UNIDENTIFIED C7 0.2 2.4 1.1 1.7 2-METHYL-2-HEXENE 2.6 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 0.1 1.9 Trace 0.8 0.8 3-ETHYL-CIS-2-PENTENE 2,4,4-TRIMETHYL-1-PENTENE 0.1 2.3 0.1 1.2 1.4 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 0.1 1.6 0.1 0.9 0.1 1.1 METHYLCYCLOHEXANE 0.6 7.6 0.8 11.2 1.4 20.6 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 0.1 1.2 0.1 1.5 0.1 2.3 2,4,4-TRIMETHYL-2-PENTENE 2,2,3-TRIMETHYLPENTANE 0.5 9.3 0.9 6.6 16.6 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 0.3 9.2 0.8 8.5 2.3 12.2 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 0.2 2.2 0.2 2.0 0.2 3.3 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE 0.0 0.9 Trace 0.5 1.4



### PAGE B-12

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 7/18/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 1.8 19.3 1.6 15.0 2.8 30.7 2,3,3-TRIMETHYLPENTANE 2.3 34.8 1.5 18.2 2.9 52.4 TOLUENE 7.9 142.2 24.6 309.2 9.2 154.3 2,3-DIMETHYLHEXANE 1.3 18.0 1.7 2.5 29.1 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 0.9 3,4-DIMETHYLHEXANE, NOTE B 1.1 0.1 0.8 0.1 1.7 4-METHYLHEPTANE 0.3 12.2 1.4 12.1 1.5 17.1 3-METHYLHEPTANE 1.0 12.4 0.9 10.3 1.3 14.1 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE 0.7 CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 0.1 3.0 0.3 2.0 0.4 4.3 2,2,5-TRIMETHYLHEXANE 0.4 5.8 0.6 7.0 1.7 17.3 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 1.0 3.1 0.3 2.0 0.3 3.3 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 0.1 1.5 0.1 0.9 0.9 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 0.1 2.0 0.1 1.0 0.1 1.2 1-OCTENE TRANS-4-OCTENE OCTANE 0.7 8.4 1.0 9.6 1.0 11.8 UNIDENTIFIED C8 0.2 3.8 0.7 0.1 1.7 TRANS-2-OCTENE 0.1 2.4 0.9 0.3 TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE 0.1 1.1 Trace 0.4 0.2 0.3 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 0.1 1.1 0.1 1.3 0.3 3.0 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 0.1 1.1 0.1 0.9 1.0 2,4-DIMETHYLHEPTANE 0.1 1.0 0.1 1.3 0.2 1.5 4,4-DIMETHYLHEPTANE Trace 0.5Trace 0.3 0.5 CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 0.3 0.1 2,6-DIMETHYLHEPTANE, NOTE D 0.1 1.8 0.2 1.7 0.5 3.7 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.2 2.4 0.4 3.4 0.5 4.9 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E ETHYLBENZENE 2.4 28.5 4.3 42.5 2.3 23.4 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 7.7 82.8 15.1 147.7 8.3 78.8 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 0.7 8.1 1.1 7.1 0.9 9.0 3-METHYLOCTANE 0.5 4.6 0.5 4.6 0.6 6.1 STYRENE 0.7 12.0 1.2 16.1 0.7 9.7



### PAGE B-13

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 7/18/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 3.6 35.3 6.1 57.3 3.7 33.0 1-NONENE 0.2 2.7 0.2 2.0 0.4 4.3 TRANS-3-NONENE CIS-3-NONENE NONANE 0.4 3.1 0.7 5.3 0.9 8.0 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 0.1 0.2 0.3 0.3 0.8 2,2-DIMETHYLOCTANE 0.1 0.4 0.1 0.8 2,4-DIMETHYLOCTANE 0.3 0.7 0.1 0.5 0.7 n-PROPYLBENZENE 0.8 8.6 1.7 15.6 0.7 8.5 1-METHYL-3-ETHYLBENZENE 2.9 42.6 7.1 53.4 4.6 39.3 1-METHYL-4-ETHYLBENZENE 0.8 19.5 3.4 19.4 12.2 1,3,5-TRIMETHYLBENZENE 1.5 19.5 3.8 29.7 1.5 14.4 1-METHYL-2-ETHYLBENZENE 1.3 16.2 3.1 24.4 0.9 12.5 1,2,4-TRIMETHYLBENZENE 7.0 76.8 14.8 79.5 6.1 70.2 TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F 0.3 0.5 1.0 3.6 0.3 2.0 ISOBUTYLBENZENE, NOTE F 0.3 0.4 0.9 3.4 0.2 1.9 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 0.3 2.2 0.7 1-METHYL-3-ISOPROPYLBENZENE 19.2 1,2,3-TRIMETHYLBENZENE 1.3 0.5 3.5 30.6 1.2 15.6 1-METHYL-4-ISOPROPYLBENZENE 0.2 1.7 INDAN 1-METHYL-2-ISOPROPYLBENZENE 14.7 0.2 1.6 0.2 3.9 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE 6.3 1.0 0.5 1.2 1-METHYL-3-N-PROPYLBENZENE 0.6 1.9 21.1 0.9 14.7 1-METHYL-4-N-PROPYLBENZENE, NOTE G 1.6 0.6 0.1 39.2 1.4 0.2 1,2 DIETHYLBENZENE 0.1 1.2 1-METHYL-2-N-PROPYLBENZENE 0.2 1.2 0.2 1.5 0.2 4.5 1,4-DIMETHYL-2-ETHYLBENZENE 29.2 2.0 13.8 1.8 12.3 1,3-DIMETHYL-4-ETHYLBENZENE 2.1 3.2 13.0 3.3 1,2-DIMETHYL-4-ETHYLBENZENE 1.1 20.9 3.2 28.6 17.6 1,3-DIMETHYL-2-ETHYLBENZENE 2.6 0.3 0.3 UNDECANE 0.3 2.5 0.3 2.6 0.3 1.6 1,2-DIMETHYL-3-ETHYLBENZENE 1,2,4,5-TETRAMETHYLBENZENE 0.1 9.0 2.0 17.9 0.4 11.7 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE 2.0 0.2 0.1 0.8 0.4 TERT-1-BUT-2-METHYLBENZENE 10.8 Trace 0.7 1,2,3,4-TETRAMETHYLBENZENE 6.5 0.2 5.7 0.3 4.0 N-PENT-BENZENE 0.3 TERT-1-BUT-3,5-DIMETHYLBENZENE 0.1 11.2 1.1 23.2 29.0 TERT-1-BUTYL-4-ETHYLBENZENE NAPHTHALENE 0.4 0.2 3.4 0.5 0.6 DODECANE 0.3 3.2 0.4 1.1 0.1 3.0 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE B-14

### HYDROCARBON SPECIATION DATA FTP COMPOSITE TOYOTA CAMRYFTP Composite, mg/mi

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 7/18/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 8.4 152.9 22.0 175.3 9.9 184.7 FORMALDEHYDE 2.2 59.2 2.6 53.0 2.3 63.6 ACETALDEHYDE 5.0 13.9 1.7 13.5 2.6 34.5 ACROLEIN 1.2 8.2 0.4 6.3 0.4 8.6 ACETONE 6.4 6.1 0.8 4.0 0.6 5.7 PROPIONALDEHYDE 0.8 2.7 0.4 6.4 0.2 3.0 CROTONALDEHYDE 2.9 4.0 0.8 4.8 0.3 3.9 ISOBUTYRALDEHYDE, NOTE H 1.1 2.1 0.2 1.4 0.2 1.5 METHYL ETHYL KETONE, NOTE H 1.1 2.1 0.2 1.4 0.2 1.5 BENZALDEHYDE 0.3 6.6 0.7 11.6 0.2 5.3 ISOVALERALDEHYDE 0.4 1.2 0.1 0.2 1.2 VALERALDEHYDE 0.6 0.8 0.1 1.0 0.1 1.1 O-TOLUALDEHYDE 0.4 2.1 0.3 3.3 0.1 2.1 M/P-TOLUALDEHYDE 0.4 7.0 0.6 11.2 0.2 6.6 HEXANALDEHYDE Trace Trace 0.1 Trace DIMETHYLBENZALDEHYDE 0.2 4.0Trace 2.4

*C1 - C4 DATA NOT AVAILABLE DUE TO INSTRUMENT MALFUNCTION A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately. H - Isobutyraldehyde and methyl ethyl ketone co-elute. LC peak area split equally between the two compounds.



### PAGE B-15

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 8/19/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 METHANE ETHANE * * * ETHYLENE * * * PROPANE * * 6.0 * 9.2 PROPYLENE * * * ACETYLENE * * * PROPADIENE * * * BUTANE * * 2.0 81.0 * 76.7 TRANS-2-BUTENE * * * 1-BUTENE * * 1.6 * 2-METHYLPROPENE (ISOBUTYLENE) * * 7.7 13.5 * 2,2-DIMETHYLPROPANE (NEOPENTANE) * * * PROPYNE * * * 1,3-BUTADIENE * * * * 2-METHYLPROPANE (ISOBUTANE) * * 0.6 29.9 * 34.0 1-BUTYNE * * * METHANOL * * * CIS-2-BUTENE * * 3.5 * 3-METHYL-1-BUTENE * * * ETHANOL * * 21.0 301.1 2-METHYLBUTANE (ISOPENTANE) * * * 495.8 2-BUTYNE 1-PENTENE 7.1 3.5 2-METHYL-1-BUTENE 1.3 10.6 6.9 18.7 PENTANE 4.1 48.4 0.5 46.1 1.1 38.2 UNIDENTIFIED C5 OLEFINS 11.1 2.2 2-METHYL-1,3-BUTADIENE 1.7 0.6 2.6 0.3 2.9 76.2 TRANS-2-PENTENE 13.0 7.2 0.6 0.7 3,3-DIMETHYL-1-BUTENE 0.9 1.0 35.5 CIS-2-PENTENE 3.2 7.5 0.4 3.7 0.6 19.2 2-METHYL-2-BUTENE 0.5 18.3 1.2 11.4 1.5 54.7 TERT-BUTANOL CYCLOPENTADIENE 0.3 2,2-DIMETHYLBUTANE 3.0 4.1 1.7 23.4 CYCLOPENTENE 0.7 2.9 0.3 1.6 0.6 6.6 4-METHYL-1-PENTENE 0.7 1.3 0.8 2.7 3-METHYL-1-PENTENE CYCLOPENTANE 4.2 0.4 3.4 0.9 11.9 2,3-DIMETHYLBUTANE 1.9 7.5 0.8 6.0 1.4 49.3 MTBE 59.8 4-METHYL-CIS-2-PENTENE 2-METHYLPENTANE 10.6 20.2 7.8 20.6 7.6 71.6 4-METHYL-TRANS-2-PENTENE 0.5 0.4 3-METHYLPENTANE 4.1 18.9 2.4 12.5 2.7 46.8 2-METHYL-1-PENTENE 1.7 0.2 0.7 2.6 1-HEXENE 1.7 0.2 0.7 2.6 HEXANE 4.8 19.4 3.4 10.2 3.5 31.9 UNIDENTIFIED C6 0.3 1.0 TRANS-3-HEXENE CIS-3-HEXENE 1.0 0.4 1.8 DI-ISOPROPYL ETHER TRANS-2-HEXENE 1.0 0.3 2.2 Houston Fuel Atlanta Fuel Chicago Fuel



### PAGE B-16

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 8/19/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

3-METHYL-TRANS-2-PENTENE 0.7 2.3 0.7 1.1 4.6 2-METHYL-2-PENTENE 0.5 1.8 0.9 0.6 3.1 3-METHYLCYCLOPENTENE CIS-2-HEXENE 0.5 1.4 0.6 1.9 ETBE 3-METHYL-CIS-2-PENTENE 0.8 2.4 0.4 0.9 0.5 3.2 2,2-DIMETHYLPENTANE, NOTE A 1.9 4.0 0.7 3.3 1.3 18.2 METHYLCYCLOPENTANE, NOTE A 1.8 3.9 0.7 3.3 1.3 17.8 2,4-DIMETHYLPENTANE 1.8 3.5 0.7 3.0 1.6 17.3 2,2,3-TRIMETHYLBUTANE 0.4 0.9 3,4-DIMETHYL-1-PENTENE 0.5 1-METHYLCYCLOPENTENE 2.5 0.8 2.4 1.1 9.7 BENZENE 7.0 8.2 4.2 12.7 6.6 29.8 3-METHYL-1-HEXENE 3,3-DIMETHYLPENTANE 0.5 0.3 0.3 1.0 0.7 CYCLOHEXANE 1.6 2.0 0.6 2.6 3.5 16.7 2-METHYLHEXANE 2,3-DIMETHYLPENTANE 6.8 10.8 2.8 8.8 5.1 34.6 1,1-DIMETHYLCYCLOPENTANE TERT-AMYL METHYL ETHER CYCLOHEXENE 3-METHYLHEXANE 3.9 7.2 1.9 5.8 3.4 18.3 CIS-1,3-DIMETHYLCYCLOPENTANE 0.7 1.1 0.7 4.0 3-ETHYLPENTANE 0.8 0.7 0.6 5.9 TRANS-1,2-DIMETHYLCYCLOPENTANE TRANS-1,3-DIMETHYLCYCLOPENTANE 0.5 0.7 0.5 0.7 3.4 1-HEPTENE 2,2,4-TRIMETHYLPENTANE 4.4 8.5 2.2 8.9 3.7 28.2 2-METHYL-1-HEXENE 0.8 TRANS-3-HEPTENE HEPTANE 4.3 5.4 2.7 6.7 4.2 16.6 CIS-3-HEPTENE UNIDENTIFIED C7 1.5 0.9 2-METHYL-2-HEXENE 3-METHYL-TRANS-3-HEXENE TRANS-2-HEPTENE 0.3 0.6 0.7 3-ETHYL-CIS-2-PENTENE 2,4,4-TRIMETHYL-1-PENTENE 0.5 0.8 0.4 0.7 1.2 2,3-DIMETHYL-2-PENTENE CIS-2-HEPTENE 0.4 0.4 METHYLCYCLOHEXANE 2.3 2.2 0.9 2.5 1.9 9.6 CIS-1,2-DIMETHYLCYCLOPENTANE 2,2-DIMETHYLHEXANE 1,1,3-TRIMETHYLCYCLOPENTANE 0.3 0.3 1.4 0.8 2,4,4-TRIMETHYL-2-PENTENE 2,2,3-TRIMETHYLPENTANE 0.7 1.0 0.3 0.6 7.1 2,5-DIMETHYLHEXANE ETHYLCYCLOPENTANE 2,4-DIMETHYLHEXANE 0.3 0.6 3.9 1-TRANS-2-CIS-4-TRIMETHYLCYCLOPENTANE 0.5 0.4 0.5 3,3-DIMETHYLHEXANE 1-TRANS-2-CIS-3-TRIMETHYLCYCLOPENTANE



### PAGE B-17

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 8/19/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

2,3,4-TRIMETHYLPENTANE 3.9 4.9 1.4 3.3 2.2 10.8 2,3,3-TRIMETHYLPENTANE 1.7 0.7 2.4 12.4 TOLUENE 28.7 18.2 17.2 38.9 29.7 51.7 2,3-DIMETHYLHEXANE 5.4 6.3 1,1,2-TRIMETHYLCYCLOPENTANE 2-METHYLHEPTANE 3,4-DIMETHYLHEXANE, NOTE B 4-METHYLHEPTANE 2.1 2.7 1.0 2.5 1.0 6.7 3-METHYLHEPTANE 2.5 2.8 1.1 2.0 1.7 6.7 1-CIS,2-TRANS,3-TRIMETHYLCYCLOPENTANE CIS-1,3-DIMETHYLCYCLOHEXANE TRANS-1,4-DIMETHYLCYCLOHEXANE 3-ETHYLHEXANE 2,2,5-TRIMETHYLHEXANE 1.3 1.3 0.4 0.9 1.0 4.2 TRANS-1-METHYL-3-ETHYLCYCLOPENTANE CIS-1-METHYL-3-ETHYLCYCLOPENTANE 0.3 0.3 0.4 1,1-DIMETHYLCYCLOHEXANE TRANS-1-METHYL-2-ETHYLCYCLOPENTANE 1-METHYL-1-ETHYL-CYCLOPENTANE 2,4,4-TRIMETHYLHEXANE 2,2,4-TRIMETHYLHEXANE TRANS-1,2-DIMETHYLCYCLOHEXANE 1-OCTENE TRANS-4-OCTENE OCTANE 1.8 1.7 0.8 1.9 2.1 4.2 UNIDENTIFIED C8 0.4 0.3 1.6 TRANS-2-OCTENE TRANS-1,3-DIMETHYLCYCLOHEXANE, NOTE C CIS-2-OCTENE 0.9 ISOPROPYLCYCLOPENTANE 2,2-DIMETHYLHEPTANE 2,3,5-TRIMETHYLHEXANE 0.4 CIS-1-METHYL-2-ETHYLCYCLOPENTANE 2,4-DIMETHYLHEPTANE 1.7 0.4 4,4-DIMETHYLHEPTANE CIS-1,2-DIMETHYLCYCLOHEXANE ETHYLCYCLOHEXANE 2,6-DIMETHYLHEPTANE, NOTE D 0.6 0.7 0.3 1.1 1.0 1,1,3-TRIMETHYLCYCLOHEXANE 2,5-DIMETHYLHEPTANE, NOTE E 0.4 0.4 0.6 0.9 3,3-DIMETHYLHEPTANE 3,5-DIMETHYLHEPTANE, NOTE E ETHYLBENZENE 6.0 5.7 3.6 6.7 6.3 8.0 2,3,4-TRIMETHYLHEXANE 2,3-DIMETHYLHEPTANE m-& p-XYLENE 17.4 14.6 9.6 21.4 18.1 23.7 4-METHYLOCTANE 3,4-DIMETHYLHEPTANE 4-ETHYLHEPTANE 2-METHYLOCTANE 0.7 0.6 0.8 3-METHYLOCTANE 0.7 0.6 0.7 STYRENE



### PAGE B-18

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 8/19/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

o-XYLENE 7.0 5.7 3.1 8.3 6.2 8.5 1-NONENE TRANS-3-NONENE 0.7 CIS-3-NONENE NONANE 0.3 0.4 TRANS-2-NONENE ISOPROPYLBENZENE (CUMENE) 0.4 2,2-DIMETHYLOCTANE 2,4-DIMETHYLOCTANE 0.5 n-PROPYLBENZENE 0.7 0.3 1-METHYL-3-ETHYLBENZENE 2.6 1-METHYL-4-ETHYLBENZENE 1,3,5-TRIMETHYLBENZENE 0.8 1-METHYL-2-ETHYLBENZENE 0.3 0.3 1.1 0.9 1,2,4-TRIMETHYLBENZENE TERT-BUTYLBENZENE 1-DECENE DECANE, NOTE F 0.3 1.6 1.0 0.8 ISOBUTYLBENZENE, NOTE F 0.3 1.5 0.9 0.7 1,3,-DIMETHYL-5-ETHYLBENZENE METHYLPROPYLBENZENE (sec butylbenzene) 1-METHYL-3-ISOPROPYLBENZENE 2.6 1,2,3-TRIMETHYLBENZENE 1-METHYL-4-ISOPROPYLBENZENE INDAN 1-METHYL-2-ISOPROPYLBENZENE 1.5 1,3-DIETHYLBENZENE 1,4-DIETHYLBENZENE 1-METHYL-3-N-PROPYLBENZENE 1-METHYL-4-N-PROPYLBENZENE, NOTE G 1,2 DIETHYLBENZENE 1-METHYL-2-N-PROPYLBENZENE 2.4 0.6 1,4-DIMETHYL-2-ETHYLBENZENE 0.3 1,3-DIMETHYL-4-ETHYLBENZENE 1,2-DIMETHYL-4-ETHYLBENZENE 0.6 1,3-DIMETHYL-2-ETHYLBENZENE UNDECANE 1,2-DIMETHYL-3-ETHYLBENZENE 1,2,4,5-TETRAMETHYLBENZENE 2-METHYLBUTYLBENZENE (sec AMYLBENZENE) 3,4 DIMETHYLCUMENE 1,2,3,5-TETRAMETHYLBENZENE TERT-1-BUT-2-METHYLBENZENE 1,2,3,4-TETRAMETHYLBENZENE N-PENT-BENZENE 0.5 TERT-1-BUT-3,5-DIMETHYLBENZENE TERT-1-BUTYL-4-ETHYLBENZENE 0.6 NAPHTHALENE DODECANE 1,3,5-TRIETHYLBENZENE 1,2,4-TRIETHYLBENZENE HEXYLBENZENE



### PAGE B-19

### HYDROCARBON SPECIATION DATA SHED TEST TOYOTA CAMRY SHED results, mg

TC-4614-STC-4614-M TC-4637-STC-4637-M TC-4640-STC-4640-M COMPOUND 8/19/2002 8/20/2002 8/2/2002 8/9/2002 8/14/2002 8/15/2002 Houston Fuel Atlanta Fuel Chicago Fuel

UNIDENTIFIED C9-C12+ 0.4 4.7 4.8 0.5

*C1 - C4 DATA NOT AVAILABLE DUE TO INSTRUMENT MALFUNCTION A - 2,2-Dimethylpentane and methylcyclopentane co-elute. GC peak area split equally between the two compounds. B - 3-Methyl-3-ethyl-pentane co-elutes with reported compound. Not reported separately. C - Cis-1,4-Dimethylcyclohexane co-elutes with reported compound. Not reported separately. D - Propylcyclopentane co-elutes with reported compound. Not reported separately. E - 2,5-Dimethylheptane and 3,5-dimethylheptane co-elute. GC peak area split equally between the two compounds. F - Decane and isobutylbenzene co-elute. GC peak area split equally between the two compounds. G - n-Butylbenzene co-elutes with reported compound. Not reported separately. H - Isobutyraldehyde and methyl ethyl ketone co-elute. LC peak area split equally between the two compounds.



### PAGE B-20